public static string ToIntervalString(this INumericInterval interval, string?intervalDelimeter = "..")
{
intervalDelimeter ??= "..";
string left = interval.Minimum.HasValue ? interval.Minimum.Value.ToString(NumberFormatInfo.InvariantInfo) : "-Infinity";
string right = interval.Maximum.HasValue ? interval.Maximum.Value.ToString(NumberFormatInfo.InvariantInfo) : "+Infinity";
string leftBracket = interval.IsLeftIncluded() ? "[" : "(";
string rightBracket = interval.IsRightIncluded() ? "]" : ")";
return($"{leftBracket}{left}{intervalDelimeter}{right}{rightBracket}");
}
