Adjust some more code that was depending on the function and delegate calling conventions being equal. There's also an instance in `tango.text.convert.Layout` that should be adjusted: {{{ Index: tango/text/convert/Layout.d =================================================================== --- tango/text/convert/Layout.d (revision 4578) +++ tango/text/convert/Layout.d (working copy) -660,8 +660,12 @@ case TypeCode.STRUCT: auto s = cast(TypeInfo_Struct) type; - if (s.xtoString) - return Utf.fromString8 (s.xtoString(p), result); + if (s.xtoString) { + char[] delegate() toString; + toString.ptr = p; + toString.funcptr = cast(char[] function()) s.xtoString; + return Utf.fromString8 (toString(), result); + } goto default; case TypeCode.INTERFACE: }}}

enum fields 
{ 
    FIELD1, 
    FIELD2 
} 
 
fields find_field(fields f) { 
    with(fields) { 
        switch(f) { 
        case FIELD1:  
	  return FIELD1;
        default: 
	  return FIELD2;
        } 
    } 
} 
 
void main() { 
  assert(find_field(fields.FIELD1) == fields.FIELD1);
  assert(find_field(fields.FIELD2) == fields.FIELD2);
}