Приведение каждого символа из диапазона против MemoryMarshal.Cast ⇐ C#

[Гость]

When debugging an operation with UTF8 strings, sometimes I want to see the string representation from a given

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ReadOnlySpan

so i created a static function to help me achieve it, but, one of the ways to do so doesn't worked as spected, i wonder why does the outcoming string is incomprehensible.

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//#define FORCE_NOT_UTF8

using MemoryMarshal = System.Runtime.InteropServices.MemoryMarshal;
using Unsafe = System.Runtime.CompilerServices.Unsafe;
using Encoding = System.Text.Encoding;

static string ForgeString(ReadOnlySpan utf8Runes)
{
Span buffer = utf8Runes.Length > 1024
? new char[utf8Runes.Length]
: stackalloc char[1024]
;
#if FORCE_NOT_UTF8
Encoding.UTF8.GetChars(utf8Runes, buffer);
#else
if (Encoding.Default.BodyName != Encoding.UTF8.BodyName)
{
Encoding.UTF8.GetChars(utf8Runes, buffer);
}
else if(buffer.Length is 

Источник: [url]https://stackoverflow.com/questions/78133343/casting-each-char-from-span-vs-memorymarshal-castbyte-char[/url]