//------------------------------------------------------------------------------
// 
//     This code was generated by a tool.
//
//     TextTransform Samples/Packages/com.unity.collections/Unity.Collections/FixedStringFormatMethods.tt
//
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated.
// 
//------------------------------------------------------------------------------
using System;
using Unity.Collections.LowLevel.Unsafe;
namespace Unity.Collections
{
    /// 
    /// Provides extension methods for FixedString*N*Bytes.
    /// 
    public unsafe static partial class FixedStringMethods
    {
        /// 
        /// Interpolates strings into a format string and appends the result to this string.
        /// 
        /// 
        /// Similar to `StringBuilder.AppendFormat` but with significant limitations:
        /// - Only supports FixedString*N*Bytes arguments. To use other string types, convert them to FixedString*N*Bytes first.
        /// - Only supports numeric format placeholders of the form `{0}` .. `{N}`.
        /// - No format modifiers (*e.g.* `{0:x}`) are supported.
        ///
        /// The overloads of this method take up to ten strings to interpolate into the format string.
        /// 
        /// A FixedString*N*Bytes type.
        /// A FixedString*N*Bytes type.
        /// The type of value to interpolate into the format string.
        /// The string to append to.d
        /// A string to be interpolated and appended.
        /// A FixedString*N*Bytes to interpolate into the format string.
        ///  if successful.  Otherwise returns the appropriate .
        [GenerateTestsForBurstCompatibility(GenericTypeArguments = new[] { typeof(FixedString128Bytes /*T*/), typeof(FixedString128Bytes /*U*/), typeof(FixedString128Bytes /*T0*/) })]
        public static unsafe FormatError AppendFormat(ref this T dest, in U format, in T0 arg0)
            where T : unmanaged, INativeList, IUTF8Bytes
            where U : unmanaged, INativeList, IUTF8Bytes
            where T0 : unmanaged, INativeList, IUTF8Bytes
        {
            ref var formatRef = ref UnsafeUtilityExtensions.AsRef(in format);
            int formatLength = formatRef.Length;
            byte* formatBytes = formatRef.GetUnsafePtr();
            int i = 0;
            FormatError err = FormatError.None;
            while (i < formatLength)
            {
                byte currByte = formatBytes[i++];
                if (currByte == (byte)'{')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        return FormatError.BadFormatSpecifier;
                    if (currByte >= (byte)'0' && currByte <= (byte)'9' && i < formatLength && formatBytes[i++] == (byte)'}')
                    {
                        switch (currByte - (byte)'0')
                        {
                            case 0: err = dest.Append(in arg0); break;
                            default: err = FormatError.BadFormatSpecifier; break;
                        }
                    }
                    else if (currByte == (byte)'{')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else if (currByte == (byte)'}')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        err = FormatError.BadFormatSpecifier;
                    if (currByte == (byte)'}')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else
                    err = dest.AppendRawByte(currByte);
                if (err != FormatError.None)
                    return err;
            }
            return FormatError.None;
        }
        /// 
        /// Interpolates strings into a format string and appends the result to this string.
        /// 
        /// 
        /// Similar to `StringBuilder.AppendFormat` but with significant limitations:
        /// - Only supports FixedString*N*Bytes arguments. To use other string types, convert them to FixedString*N*Bytes first.
        /// - Only supports numeric format placeholders of the form `{0}` .. `{N}`.
        /// - No format modifiers (*e.g.* `{0:x}`) are supported.
        ///
        /// The overloads of this method take up to ten strings to interpolate into the format string.
        /// 
        /// A FixedString*N*Bytes type.
        /// A FixedString*N*Bytes type.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The string to append to.d
        /// A string to be interpolated and appended.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        ///  if successful.  Otherwise returns the appropriate .
        [GenerateTestsForBurstCompatibility(GenericTypeArguments = new[] { typeof(FixedString128Bytes /*T*/), typeof(FixedString128Bytes /*U*/), typeof(FixedString128Bytes /*T0*/), typeof(FixedString128Bytes /*T1*/) })]
        public static unsafe FormatError AppendFormat(ref this T dest, in U format, in T0 arg0, in T1 arg1)
            where T : unmanaged, INativeList, IUTF8Bytes
            where U : unmanaged, INativeList, IUTF8Bytes
            where T0 : unmanaged, INativeList, IUTF8Bytes
            where T1 : unmanaged, INativeList, IUTF8Bytes
        {
            ref var formatRef = ref UnsafeUtilityExtensions.AsRef(in format);
            int formatLength = formatRef.Length;
            byte* formatBytes = formatRef.GetUnsafePtr();
            int i = 0;
            FormatError err = FormatError.None;
            while (i < formatLength)
            {
                byte currByte = formatBytes[i++];
                if (currByte == (byte)'{')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        return FormatError.BadFormatSpecifier;
                    if (currByte >= (byte)'0' && currByte <= (byte)'9' && i < formatLength && formatBytes[i++] == (byte)'}')
                    {
                        switch (currByte - (byte)'0')
                        {
                            case 0: err = dest.Append(in arg0); break;
                            case 1: err = dest.Append(in arg1); break;
                            default: err = FormatError.BadFormatSpecifier; break;
                        }
                    }
                    else if (currByte == (byte)'{')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else if (currByte == (byte)'}')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        err = FormatError.BadFormatSpecifier;
                    if (currByte == (byte)'}')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else
                    err = dest.AppendRawByte(currByte);
                if (err != FormatError.None)
                    return err;
            }
            return FormatError.None;
        }
        /// 
        /// Interpolates strings into a format string and appends the result to this string.
        /// 
        /// 
        /// Similar to `StringBuilder.AppendFormat` but with significant limitations:
        /// - Only supports FixedString*N*Bytes arguments. To use other string types, convert them to FixedString*N*Bytes first.
        /// - Only supports numeric format placeholders of the form `{0}` .. `{N}`.
        /// - No format modifiers (*e.g.* `{0:x}`) are supported.
        ///
        /// The overloads of this method take up to ten strings to interpolate into the format string.
        /// 
        /// A FixedString*N*Bytes type.
        /// A FixedString*N*Bytes type.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The string to append to.d
        /// A string to be interpolated and appended.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        ///  if successful.  Otherwise returns the appropriate .
        [GenerateTestsForBurstCompatibility(GenericTypeArguments = new[] { typeof(FixedString128Bytes /*T*/), typeof(FixedString128Bytes /*U*/), typeof(FixedString128Bytes /*T0*/), typeof(FixedString128Bytes /*T1*/), typeof(FixedString128Bytes /*T2*/) })]
        public static unsafe FormatError AppendFormat(ref this T dest, in U format, in T0 arg0, in T1 arg1, in T2 arg2)
            where T : unmanaged, INativeList, IUTF8Bytes
            where U : unmanaged, INativeList, IUTF8Bytes
            where T0 : unmanaged, INativeList, IUTF8Bytes
            where T1 : unmanaged, INativeList, IUTF8Bytes
            where T2 : unmanaged, INativeList, IUTF8Bytes
        {
            ref var formatRef = ref UnsafeUtilityExtensions.AsRef(in format);
            int formatLength = formatRef.Length;
            byte* formatBytes = formatRef.GetUnsafePtr();
            int i = 0;
            FormatError err = FormatError.None;
            while (i < formatLength)
            {
                byte currByte = formatBytes[i++];
                if (currByte == (byte)'{')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        return FormatError.BadFormatSpecifier;
                    if (currByte >= (byte)'0' && currByte <= (byte)'9' && i < formatLength && formatBytes[i++] == (byte)'}')
                    {
                        switch (currByte - (byte)'0')
                        {
                            case 0: err = dest.Append(in arg0); break;
                            case 1: err = dest.Append(in arg1); break;
                            case 2: err = dest.Append(in arg2); break;
                            default: err = FormatError.BadFormatSpecifier; break;
                        }
                    }
                    else if (currByte == (byte)'{')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else if (currByte == (byte)'}')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        err = FormatError.BadFormatSpecifier;
                    if (currByte == (byte)'}')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else
                    err = dest.AppendRawByte(currByte);
                if (err != FormatError.None)
                    return err;
            }
            return FormatError.None;
        }
        /// 
        /// Interpolates strings into a format string and appends the result to this string.
        /// 
        /// 
        /// Similar to `StringBuilder.AppendFormat` but with significant limitations:
        /// - Only supports FixedString*N*Bytes arguments. To use other string types, convert them to FixedString*N*Bytes first.
        /// - Only supports numeric format placeholders of the form `{0}` .. `{N}`.
        /// - No format modifiers (*e.g.* `{0:x}`) are supported.
        ///
        /// The overloads of this method take up to ten strings to interpolate into the format string.
        /// 
        /// A FixedString*N*Bytes type.
        /// A FixedString*N*Bytes type.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The string to append to.d
        /// A string to be interpolated and appended.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        ///  if successful.  Otherwise returns the appropriate .
        [GenerateTestsForBurstCompatibility(GenericTypeArguments = new[] { typeof(FixedString128Bytes /*T*/), typeof(FixedString128Bytes /*U*/), typeof(FixedString128Bytes /*T0*/), typeof(FixedString128Bytes /*T1*/), typeof(FixedString128Bytes /*T2*/), typeof(FixedString128Bytes /*T3*/) })]
        public static unsafe FormatError AppendFormat(ref this T dest, in U format, in T0 arg0, in T1 arg1, in T2 arg2, in T3 arg3)
            where T : unmanaged, INativeList, IUTF8Bytes
            where U : unmanaged, INativeList, IUTF8Bytes
            where T0 : unmanaged, INativeList, IUTF8Bytes
            where T1 : unmanaged, INativeList, IUTF8Bytes
            where T2 : unmanaged, INativeList, IUTF8Bytes
            where T3 : unmanaged, INativeList, IUTF8Bytes
        {
            ref var formatRef = ref UnsafeUtilityExtensions.AsRef(in format);
            int formatLength = formatRef.Length;
            byte* formatBytes = formatRef.GetUnsafePtr();
            int i = 0;
            FormatError err = FormatError.None;
            while (i < formatLength)
            {
                byte currByte = formatBytes[i++];
                if (currByte == (byte)'{')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        return FormatError.BadFormatSpecifier;
                    if (currByte >= (byte)'0' && currByte <= (byte)'9' && i < formatLength && formatBytes[i++] == (byte)'}')
                    {
                        switch (currByte - (byte)'0')
                        {
                            case 0: err = dest.Append(in arg0); break;
                            case 1: err = dest.Append(in arg1); break;
                            case 2: err = dest.Append(in arg2); break;
                            case 3: err = dest.Append(in arg3); break;
                            default: err = FormatError.BadFormatSpecifier; break;
                        }
                    }
                    else if (currByte == (byte)'{')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else if (currByte == (byte)'}')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        err = FormatError.BadFormatSpecifier;
                    if (currByte == (byte)'}')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else
                    err = dest.AppendRawByte(currByte);
                if (err != FormatError.None)
                    return err;
            }
            return FormatError.None;
        }
        /// 
        /// Interpolates strings into a format string and appends the result to this string.
        /// 
        /// 
        /// Similar to `StringBuilder.AppendFormat` but with significant limitations:
        /// - Only supports FixedString*N*Bytes arguments. To use other string types, convert them to FixedString*N*Bytes first.
        /// - Only supports numeric format placeholders of the form `{0}` .. `{N}`.
        /// - No format modifiers (*e.g.* `{0:x}`) are supported.
        ///
        /// The overloads of this method take up to ten strings to interpolate into the format string.
        /// 
        /// A FixedString*N*Bytes type.
        /// A FixedString*N*Bytes type.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The string to append to.d
        /// A string to be interpolated and appended.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        ///  if successful.  Otherwise returns the appropriate .
        [GenerateTestsForBurstCompatibility(GenericTypeArguments = new[] { typeof(FixedString128Bytes /*T*/), typeof(FixedString128Bytes /*U*/), typeof(FixedString128Bytes /*T0*/), typeof(FixedString128Bytes /*T1*/), typeof(FixedString128Bytes /*T2*/), typeof(FixedString128Bytes /*T3*/), typeof(FixedString128Bytes /*T4*/) })]
        public static unsafe FormatError AppendFormat(ref this T dest, in U format, in T0 arg0, in T1 arg1, in T2 arg2, in T3 arg3, in T4 arg4)
            where T : unmanaged, INativeList, IUTF8Bytes
            where U : unmanaged, INativeList, IUTF8Bytes
            where T0 : unmanaged, INativeList, IUTF8Bytes
            where T1 : unmanaged, INativeList, IUTF8Bytes
            where T2 : unmanaged, INativeList, IUTF8Bytes
            where T3 : unmanaged, INativeList, IUTF8Bytes
            where T4 : unmanaged, INativeList, IUTF8Bytes
        {
            ref var formatRef = ref UnsafeUtilityExtensions.AsRef(in format);
            int formatLength = formatRef.Length;
            byte* formatBytes = formatRef.GetUnsafePtr();
            int i = 0;
            FormatError err = FormatError.None;
            while (i < formatLength)
            {
                byte currByte = formatBytes[i++];
                if (currByte == (byte)'{')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        return FormatError.BadFormatSpecifier;
                    if (currByte >= (byte)'0' && currByte <= (byte)'9' && i < formatLength && formatBytes[i++] == (byte)'}')
                    {
                        switch (currByte - (byte)'0')
                        {
                            case 0: err = dest.Append(in arg0); break;
                            case 1: err = dest.Append(in arg1); break;
                            case 2: err = dest.Append(in arg2); break;
                            case 3: err = dest.Append(in arg3); break;
                            case 4: err = dest.Append(in arg4); break;
                            default: err = FormatError.BadFormatSpecifier; break;
                        }
                    }
                    else if (currByte == (byte)'{')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else if (currByte == (byte)'}')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        err = FormatError.BadFormatSpecifier;
                    if (currByte == (byte)'}')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else
                    err = dest.AppendRawByte(currByte);
                if (err != FormatError.None)
                    return err;
            }
            return FormatError.None;
        }
        /// 
        /// Interpolates strings into a format string and appends the result to this string.
        /// 
        /// 
        /// Similar to `StringBuilder.AppendFormat` but with significant limitations:
        /// - Only supports FixedString*N*Bytes arguments. To use other string types, convert them to FixedString*N*Bytes first.
        /// - Only supports numeric format placeholders of the form `{0}` .. `{N}`.
        /// - No format modifiers (*e.g.* `{0:x}`) are supported.
        ///
        /// The overloads of this method take up to ten strings to interpolate into the format string.
        /// 
        /// A FixedString*N*Bytes type.
        /// A FixedString*N*Bytes type.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The string to append to.d
        /// A string to be interpolated and appended.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        ///  if successful.  Otherwise returns the appropriate .
        [GenerateTestsForBurstCompatibility(GenericTypeArguments = new[] { typeof(FixedString128Bytes /*T*/), typeof(FixedString128Bytes /*U*/), typeof(FixedString128Bytes /*T0*/), typeof(FixedString128Bytes /*T1*/), typeof(FixedString128Bytes /*T2*/), typeof(FixedString128Bytes /*T3*/), typeof(FixedString128Bytes /*T4*/), typeof(FixedString128Bytes /*T5*/) })]
        public static unsafe FormatError AppendFormat(ref this T dest, in U format, in T0 arg0, in T1 arg1, in T2 arg2, in T3 arg3, in T4 arg4, in T5 arg5)
            where T : unmanaged, INativeList, IUTF8Bytes
            where U : unmanaged, INativeList, IUTF8Bytes
            where T0 : unmanaged, INativeList, IUTF8Bytes
            where T1 : unmanaged, INativeList, IUTF8Bytes
            where T2 : unmanaged, INativeList, IUTF8Bytes
            where T3 : unmanaged, INativeList, IUTF8Bytes
            where T4 : unmanaged, INativeList, IUTF8Bytes
            where T5 : unmanaged, INativeList, IUTF8Bytes
        {
            ref var formatRef = ref UnsafeUtilityExtensions.AsRef(in format);
            int formatLength = formatRef.Length;
            byte* formatBytes = formatRef.GetUnsafePtr();
            int i = 0;
            FormatError err = FormatError.None;
            while (i < formatLength)
            {
                byte currByte = formatBytes[i++];
                if (currByte == (byte)'{')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        return FormatError.BadFormatSpecifier;
                    if (currByte >= (byte)'0' && currByte <= (byte)'9' && i < formatLength && formatBytes[i++] == (byte)'}')
                    {
                        switch (currByte - (byte)'0')
                        {
                            case 0: err = dest.Append(in arg0); break;
                            case 1: err = dest.Append(in arg1); break;
                            case 2: err = dest.Append(in arg2); break;
                            case 3: err = dest.Append(in arg3); break;
                            case 4: err = dest.Append(in arg4); break;
                            case 5: err = dest.Append(in arg5); break;
                            default: err = FormatError.BadFormatSpecifier; break;
                        }
                    }
                    else if (currByte == (byte)'{')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else if (currByte == (byte)'}')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        err = FormatError.BadFormatSpecifier;
                    if (currByte == (byte)'}')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else
                    err = dest.AppendRawByte(currByte);
                if (err != FormatError.None)
                    return err;
            }
            return FormatError.None;
        }
        /// 
        /// Interpolates strings into a format string and appends the result to this string.
        /// 
        /// 
        /// Similar to `StringBuilder.AppendFormat` but with significant limitations:
        /// - Only supports FixedString*N*Bytes arguments. To use other string types, convert them to FixedString*N*Bytes first.
        /// - Only supports numeric format placeholders of the form `{0}` .. `{N}`.
        /// - No format modifiers (*e.g.* `{0:x}`) are supported.
        ///
        /// The overloads of this method take up to ten strings to interpolate into the format string.
        /// 
        /// A FixedString*N*Bytes type.
        /// A FixedString*N*Bytes type.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The string to append to.d
        /// A string to be interpolated and appended.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        ///  if successful.  Otherwise returns the appropriate .
        [GenerateTestsForBurstCompatibility(GenericTypeArguments = new[] { typeof(FixedString128Bytes /*T*/), typeof(FixedString128Bytes /*U*/), typeof(FixedString128Bytes /*T0*/), typeof(FixedString128Bytes /*T1*/), typeof(FixedString128Bytes /*T2*/), typeof(FixedString128Bytes /*T3*/), typeof(FixedString128Bytes /*T4*/), typeof(FixedString128Bytes /*T5*/), typeof(FixedString128Bytes /*T6*/) })]
        public static unsafe FormatError AppendFormat(ref this T dest, in U format, in T0 arg0, in T1 arg1, in T2 arg2, in T3 arg3, in T4 arg4, in T5 arg5, in T6 arg6)
            where T : unmanaged, INativeList, IUTF8Bytes
            where U : unmanaged, INativeList, IUTF8Bytes
            where T0 : unmanaged, INativeList, IUTF8Bytes
            where T1 : unmanaged, INativeList, IUTF8Bytes
            where T2 : unmanaged, INativeList, IUTF8Bytes
            where T3 : unmanaged, INativeList, IUTF8Bytes
            where T4 : unmanaged, INativeList, IUTF8Bytes
            where T5 : unmanaged, INativeList, IUTF8Bytes
            where T6 : unmanaged, INativeList, IUTF8Bytes
        {
            ref var formatRef = ref UnsafeUtilityExtensions.AsRef(in format);
            int formatLength = formatRef.Length;
            byte* formatBytes = formatRef.GetUnsafePtr();
            int i = 0;
            FormatError err = FormatError.None;
            while (i < formatLength)
            {
                byte currByte = formatBytes[i++];
                if (currByte == (byte)'{')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        return FormatError.BadFormatSpecifier;
                    if (currByte >= (byte)'0' && currByte <= (byte)'9' && i < formatLength && formatBytes[i++] == (byte)'}')
                    {
                        switch (currByte - (byte)'0')
                        {
                            case 0: err = dest.Append(in arg0); break;
                            case 1: err = dest.Append(in arg1); break;
                            case 2: err = dest.Append(in arg2); break;
                            case 3: err = dest.Append(in arg3); break;
                            case 4: err = dest.Append(in arg4); break;
                            case 5: err = dest.Append(in arg5); break;
                            case 6: err = dest.Append(in arg6); break;
                            default: err = FormatError.BadFormatSpecifier; break;
                        }
                    }
                    else if (currByte == (byte)'{')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else if (currByte == (byte)'}')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        err = FormatError.BadFormatSpecifier;
                    if (currByte == (byte)'}')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else
                    err = dest.AppendRawByte(currByte);
                if (err != FormatError.None)
                    return err;
            }
            return FormatError.None;
        }
        /// 
        /// Interpolates strings into a format string and appends the result to this string.
        /// 
        /// 
        /// Similar to `StringBuilder.AppendFormat` but with significant limitations:
        /// - Only supports FixedString*N*Bytes arguments. To use other string types, convert them to FixedString*N*Bytes first.
        /// - Only supports numeric format placeholders of the form `{0}` .. `{N}`.
        /// - No format modifiers (*e.g.* `{0:x}`) are supported.
        ///
        /// The overloads of this method take up to ten strings to interpolate into the format string.
        /// 
        /// A FixedString*N*Bytes type.
        /// A FixedString*N*Bytes type.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The string to append to.d
        /// A string to be interpolated and appended.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        ///  if successful.  Otherwise returns the appropriate .
        [GenerateTestsForBurstCompatibility(GenericTypeArguments = new[] { typeof(FixedString128Bytes /*T*/), typeof(FixedString128Bytes /*U*/), typeof(FixedString128Bytes /*T0*/), typeof(FixedString128Bytes /*T1*/), typeof(FixedString128Bytes /*T2*/), typeof(FixedString128Bytes /*T3*/), typeof(FixedString128Bytes /*T4*/), typeof(FixedString128Bytes /*T5*/), typeof(FixedString128Bytes /*T6*/), typeof(FixedString128Bytes /*T7*/) })]
        public static unsafe FormatError AppendFormat(ref this T dest, in U format, in T0 arg0, in T1 arg1, in T2 arg2, in T3 arg3, in T4 arg4, in T5 arg5, in T6 arg6, in T7 arg7)
            where T : unmanaged, INativeList, IUTF8Bytes
            where U : unmanaged, INativeList, IUTF8Bytes
            where T0 : unmanaged, INativeList, IUTF8Bytes
            where T1 : unmanaged, INativeList, IUTF8Bytes
            where T2 : unmanaged, INativeList, IUTF8Bytes
            where T3 : unmanaged, INativeList, IUTF8Bytes
            where T4 : unmanaged, INativeList, IUTF8Bytes
            where T5 : unmanaged, INativeList, IUTF8Bytes
            where T6 : unmanaged, INativeList, IUTF8Bytes
            where T7 : unmanaged, INativeList, IUTF8Bytes
        {
            ref var formatRef = ref UnsafeUtilityExtensions.AsRef(in format);
            int formatLength = formatRef.Length;
            byte* formatBytes = formatRef.GetUnsafePtr();
            int i = 0;
            FormatError err = FormatError.None;
            while (i < formatLength)
            {
                byte currByte = formatBytes[i++];
                if (currByte == (byte)'{')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        return FormatError.BadFormatSpecifier;
                    if (currByte >= (byte)'0' && currByte <= (byte)'9' && i < formatLength && formatBytes[i++] == (byte)'}')
                    {
                        switch (currByte - (byte)'0')
                        {
                            case 0: err = dest.Append(in arg0); break;
                            case 1: err = dest.Append(in arg1); break;
                            case 2: err = dest.Append(in arg2); break;
                            case 3: err = dest.Append(in arg3); break;
                            case 4: err = dest.Append(in arg4); break;
                            case 5: err = dest.Append(in arg5); break;
                            case 6: err = dest.Append(in arg6); break;
                            case 7: err = dest.Append(in arg7); break;
                            default: err = FormatError.BadFormatSpecifier; break;
                        }
                    }
                    else if (currByte == (byte)'{')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else if (currByte == (byte)'}')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        err = FormatError.BadFormatSpecifier;
                    if (currByte == (byte)'}')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else
                    err = dest.AppendRawByte(currByte);
                if (err != FormatError.None)
                    return err;
            }
            return FormatError.None;
        }
        /// 
        /// Interpolates strings into a format string and appends the result to this string.
        /// 
        /// 
        /// Similar to `StringBuilder.AppendFormat` but with significant limitations:
        /// - Only supports FixedString*N*Bytes arguments. To use other string types, convert them to FixedString*N*Bytes first.
        /// - Only supports numeric format placeholders of the form `{0}` .. `{N}`.
        /// - No format modifiers (*e.g.* `{0:x}`) are supported.
        ///
        /// The overloads of this method take up to ten strings to interpolate into the format string.
        /// 
        /// A FixedString*N*Bytes type.
        /// A FixedString*N*Bytes type.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The string to append to.d
        /// A string to be interpolated and appended.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        ///  if successful.  Otherwise returns the appropriate .
        [GenerateTestsForBurstCompatibility(GenericTypeArguments = new[] { typeof(FixedString128Bytes /*T*/), typeof(FixedString128Bytes /*U*/), typeof(FixedString128Bytes /*T0*/), typeof(FixedString128Bytes /*T1*/), typeof(FixedString128Bytes /*T2*/), typeof(FixedString128Bytes /*T3*/), typeof(FixedString128Bytes /*T4*/), typeof(FixedString128Bytes /*T5*/), typeof(FixedString128Bytes /*T6*/), typeof(FixedString128Bytes /*T7*/), typeof(FixedString128Bytes /*T8*/) })]
        public static unsafe FormatError AppendFormat(ref this T dest, in U format, in T0 arg0, in T1 arg1, in T2 arg2, in T3 arg3, in T4 arg4, in T5 arg5, in T6 arg6, in T7 arg7, in T8 arg8)
            where T : unmanaged, INativeList, IUTF8Bytes
            where U : unmanaged, INativeList, IUTF8Bytes
            where T0 : unmanaged, INativeList, IUTF8Bytes
            where T1 : unmanaged, INativeList, IUTF8Bytes
            where T2 : unmanaged, INativeList, IUTF8Bytes
            where T3 : unmanaged, INativeList, IUTF8Bytes
            where T4 : unmanaged, INativeList, IUTF8Bytes
            where T5 : unmanaged, INativeList, IUTF8Bytes
            where T6 : unmanaged, INativeList, IUTF8Bytes
            where T7 : unmanaged, INativeList, IUTF8Bytes
            where T8 : unmanaged, INativeList, IUTF8Bytes
        {
            ref var formatRef = ref UnsafeUtilityExtensions.AsRef(in format);
            int formatLength = formatRef.Length;
            byte* formatBytes = formatRef.GetUnsafePtr();
            int i = 0;
            FormatError err = FormatError.None;
            while (i < formatLength)
            {
                byte currByte = formatBytes[i++];
                if (currByte == (byte)'{')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        return FormatError.BadFormatSpecifier;
                    if (currByte >= (byte)'0' && currByte <= (byte)'9' && i < formatLength && formatBytes[i++] == (byte)'}')
                    {
                        switch (currByte - (byte)'0')
                        {
                            case 0: err = dest.Append(in arg0); break;
                            case 1: err = dest.Append(in arg1); break;
                            case 2: err = dest.Append(in arg2); break;
                            case 3: err = dest.Append(in arg3); break;
                            case 4: err = dest.Append(in arg4); break;
                            case 5: err = dest.Append(in arg5); break;
                            case 6: err = dest.Append(in arg6); break;
                            case 7: err = dest.Append(in arg7); break;
                            case 8: err = dest.Append(in arg8); break;
                            default: err = FormatError.BadFormatSpecifier; break;
                        }
                    }
                    else if (currByte == (byte)'{')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else if (currByte == (byte)'}')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        err = FormatError.BadFormatSpecifier;
                    if (currByte == (byte)'}')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else
                    err = dest.AppendRawByte(currByte);
                if (err != FormatError.None)
                    return err;
            }
            return FormatError.None;
        }
        /// 
        /// Interpolates strings into a format string and appends the result to this string.
        /// 
        /// 
        /// Similar to `StringBuilder.AppendFormat` but with significant limitations:
        /// - Only supports FixedString*N*Bytes arguments. To use other string types, convert them to FixedString*N*Bytes first.
        /// - Only supports numeric format placeholders of the form `{0}` .. `{N}`.
        /// - No format modifiers (*e.g.* `{0:x}`) are supported.
        ///
        /// The overloads of this method take up to ten strings to interpolate into the format string.
        /// 
        /// A FixedString*N*Bytes type.
        /// A FixedString*N*Bytes type.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The type of value to interpolate into the format string.
        /// The string to append to.d
        /// A string to be interpolated and appended.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        /// A FixedString*N*Bytes to interpolate into the format string.
        ///  if successful.  Otherwise returns the appropriate .
        [GenerateTestsForBurstCompatibility(GenericTypeArguments = new[] { typeof(FixedString128Bytes /*T*/), typeof(FixedString128Bytes /*U*/), typeof(FixedString128Bytes /*T0*/), typeof(FixedString128Bytes /*T1*/), typeof(FixedString128Bytes /*T2*/), typeof(FixedString128Bytes /*T3*/), typeof(FixedString128Bytes /*T4*/), typeof(FixedString128Bytes /*T5*/), typeof(FixedString128Bytes /*T6*/), typeof(FixedString128Bytes /*T7*/), typeof(FixedString128Bytes /*T8*/), typeof(FixedString128Bytes /*T9*/) })]
        public static unsafe FormatError AppendFormat(ref this T dest, in U format, in T0 arg0, in T1 arg1, in T2 arg2, in T3 arg3, in T4 arg4, in T5 arg5, in T6 arg6, in T7 arg7, in T8 arg8, in T9 arg9)
            where T : unmanaged, INativeList, IUTF8Bytes
            where U : unmanaged, INativeList, IUTF8Bytes
            where T0 : unmanaged, INativeList, IUTF8Bytes
            where T1 : unmanaged, INativeList, IUTF8Bytes
            where T2 : unmanaged, INativeList, IUTF8Bytes
            where T3 : unmanaged, INativeList, IUTF8Bytes
            where T4 : unmanaged, INativeList, IUTF8Bytes
            where T5 : unmanaged, INativeList, IUTF8Bytes
            where T6 : unmanaged, INativeList, IUTF8Bytes
            where T7 : unmanaged, INativeList, IUTF8Bytes
            where T8 : unmanaged, INativeList, IUTF8Bytes
            where T9 : unmanaged, INativeList, IUTF8Bytes
        {
            ref var formatRef = ref UnsafeUtilityExtensions.AsRef(in format);
            int formatLength = formatRef.Length;
            byte* formatBytes = formatRef.GetUnsafePtr();
            int i = 0;
            FormatError err = FormatError.None;
            while (i < formatLength)
            {
                byte currByte = formatBytes[i++];
                if (currByte == (byte)'{')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        return FormatError.BadFormatSpecifier;
                    if (currByte >= (byte)'0' && currByte <= (byte)'9' && i < formatLength && formatBytes[i++] == (byte)'}')
                    {
                        switch (currByte - (byte)'0')
                        {
                            case 0: err = dest.Append(in arg0); break;
                            case 1: err = dest.Append(in arg1); break;
                            case 2: err = dest.Append(in arg2); break;
                            case 3: err = dest.Append(in arg3); break;
                            case 4: err = dest.Append(in arg4); break;
                            case 5: err = dest.Append(in arg5); break;
                            case 6: err = dest.Append(in arg6); break;
                            case 7: err = dest.Append(in arg7); break;
                            case 8: err = dest.Append(in arg8); break;
                            case 9: err = dest.Append(in arg9); break;
                            default: err = FormatError.BadFormatSpecifier; break;
                        }
                    }
                    else if (currByte == (byte)'{')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else if (currByte == (byte)'}')
                {
                    if (i < formatLength)
                        currByte = formatBytes[i++];
                    else
                        err = FormatError.BadFormatSpecifier;
                    if (currByte == (byte)'}')
                        err = dest.AppendRawByte(currByte);
                    else
                        err = FormatError.BadFormatSpecifier;
                }
                else
                    err = dest.AppendRawByte(currByte);
                if (err != FormatError.None)
                    return err;
            }
            return FormatError.None;
        }
    }
}