public static string Create(
string?format,
IFormatProvider?formatProvider,
Span <char> initialBuffer,
[InterpolatedStringHandlerArgument("format", "formatProvider", "initialBuffer")] ref FormatInterpolatedStringHandler handler)
{
return(handler.ToStringAndClear());
}
/// <summary>
/// Creates a handler used to write an interpolated string into a <see cref="Span{Char}"/>.
/// </summary>
/// <param name="literalLength">The number of constant characters outside of interpolation expressions in the interpolated string.</param>
/// <param name="formattedCount">The number of interpolation expressions in the interpolated string.</param>
/// <param name="destination">The destination buffer.</param>
/// <param name="format">The format to use, if available.</param>
/// <param name="formatProvider">An object that supplies culture-specific formatting information.</param>
/// <param name="shouldAppend">Upon return, true if the destination may be long enough to support the formatting, or false if it won't be.</param>
/// <remarks>This is intended to be called only by compiler-generated code. Arguments are not validated as they'd otherwise be for members intended to be used directly.</remarks>
public TryWriteFormatInterpolatedStringHandler(int literalLength, int formattedCount, Span <char> destination, ReadOnlySpan <char> format, IFormatProvider?formatProvider, out bool shouldAppend)
{
this.destination = destination;
this.format = format;
this.formatAsString = null;
this.formatProvider = formatProvider;
position = 0;
success = shouldAppend = destination.Length >= literalLength;
hasCustomFormatter = formatProvider is not null && FormatInterpolatedStringHandler.HasCustomFormatter(formatProvider);
}
