private static string FormatOperatorName(string operatorName)
{
Debug.Assert(operatorName.StartsWith("op_"));
var result = new StringBuilder(operatorName.Length);
result.Append(operatorName[3]);
foreach (var ch in operatorName.Substring(4))
if (char.IsUpper(ch))
{
result.Append(" ");
result.Append(char.ToLower(ch));
}
else
result.Append(ch);
return result.ToString();
}