internal static ParseStringSpanDelegate GetParseSpanFn(Type type) => v => GetParseStringSpanFn(type)(v);
public static ParseStringDelegate GetParseFn(Type type) => v => GetParseStringSpanFn(type)(v.AsSpan());
private static ParseStringDelegate GetParseFn() => v => GetParseStringSpanFn()(v.AsSpan());