digitalmars.D.bugs - [Issue 531] New: Nested template not usable directly in alias
- d-bugmail puremagic.com (34/34) Nov 16 2006 http://d.puremagic.com/issues/show_bug.cgi?id=531
- d-bugmail puremagic.com (9/9) Sep 09 2007 http://d.puremagic.com/issues/show_bug.cgi?id=531
- d-bugmail puremagic.com (9/9) Jun 27 2008 http://d.puremagic.com/issues/show_bug.cgi?id=531
- d-bugmail puremagic.com (4/4) Jun 27 2008 http://d.puremagic.com/issues/show_bug.cgi?id=531
http://d.puremagic.com/issues/show_bug.cgi?id=531 Summary: Nested template not usable directly in alias Product: D Version: 0.174 Platform: All OS/Version: All Status: NEW Severity: normal Priority: P2 Component: DMD AssignedTo: bugzilla digitalmars.com ReportedBy: wbaxter gmail.com You can't use a nested template directly, though you can use it by declaring an intermediate alias to an instantiation of the outer template. But it should be possible to access it directly. Example: ---------------------------------- import std.stdio : writefln; template Tuple(T...) { alias T Tuple; } template Join(TList1...) { template To(TList2...) { alias Tuple!(TList1,TList2) To; } } void main() { // Error: "used as a type" alias Join!(1,2,3).To!(4,5,6) combo; // Splitting it in two is OK, though // alias Join!(1,2,3) jtmp; // alias jtmp.To!(4,5,6) combo; writefln(combo); } --
Nov 16 2006
http://d.puremagic.com/issues/show_bug.cgi?id=531 smjg iname.com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |smjg iname.com Keywords| |rejects-valid Please post compiler messsages in full. --
Sep 09 2007
http://d.puremagic.com/issues/show_bug.cgi?id=531 bugzilla digitalmars.com changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |WORKSFORME This works in dmd 1.031 and 2.015 --
Jun 27 2008
http://d.puremagic.com/issues/show_bug.cgi?id=531 This works in dmd 1.031 and 2.015 --
Jun 27 2008