public static MutableString /*!*/ ToS(Proc /*!*/ self)
{
var context = self.LocalScope.RubyContext;
var str = RubyUtils.ObjectToMutableStringPrefix(context, self);
if (self.SourcePath != null || self.SourceLine != 0)
{
str.Append('@');
str.Append(self.SourcePath ?? "(unknown)");
str.Append(':');
str.Append(self.SourceLine.ToString(CultureInfo.InvariantCulture));
}
if (self.Kind == ProcKind.Lambda)
{
str.Append(" (lambda)");
}
str.Append('>');
return(str);
}