public static ParseResult <T?> ParseNullableNumeric <T>(this string?value, TryParseNumericFunc <T> tryParse, NumberStyles numberStyles, IFormatProvider provider)
where T : struct
{
if (value == null)
{
return(ParseResult.Default <T?>());
}
return(tryParse(value, numberStyles, provider, out T result)
? ParseResult.Success <T?>(result)
: ParseResult.Failed <T?>());
}
public static ParseResult <T> ParseNumeric <T>(this string?value, TryParseNumericFunc <T> tryParse, NumberStyles numberStyles, IFormatProvider provider) =>
tryParse(value, numberStyles, provider, out T result)
? ParseResult.Success(result)
: ParseResult.Failed <T>();
