digitalmars.D.bugs - [Issue 4152] New: Function alias forward reference error
- d-bugmail puremagic.com (42/42) May 03 2010 http://d.puremagic.com/issues/show_bug.cgi?id=4152
- d-bugmail puremagic.com (9/9) Aug 22 2010 http://d.puremagic.com/issues/show_bug.cgi?id=4152
http://d.puremagic.com/issues/show_bug.cgi?id=4152 Summary: Function alias forward reference error Product: D Version: unspecified Platform: x86 OS/Version: Windows Status: NEW Keywords: rejects-valid Severity: normal Priority: P2 Component: DMD AssignedTo: nobody puremagic.com ReportedBy: bearophile_hugs eml.cc This compiles and runs with no errors with dmd 2.044: int fun(TElem)(TElem[] arr) { return 10; } alias fun!(char) alternative; // LINE A int alternative(int[] arr) { return 20; } // LINE B void caller(TOp)(TOp op, char[] s) { assert(op(s) == 10); } void main() { caller(&alternative, cast(char[])"abc"); } But if I swap the line A and B: int fun(TElem)(TElem[] arr) { return 10; } int alternative(int[] arr) { return 20; } // LINE B alias fun!(char) alternative; // LINE A void caller(TOp)(TOp op, char[] s) { assert(op(s) == 10); } void main() { caller(&alternative, cast(char[])"abc"); } Then dmd 2.044 shows: test.d(5): Error: cannot implicitly convert expression (s) of type char[] to int[] test.d(8): Error: template instance test.caller!(int function(int[] arr)) error instantiating -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: -------
May 03 2010
http://d.puremagic.com/issues/show_bug.cgi?id=4152 Another case, maybe with a different cause: struct Foo(alias f) {} Foo!main baz; void main() {} -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: -------
Aug 22 2010