digitalmars.D.bugs - [Issue 2090] New: Cannot alias a tuple member which is a template instance
- d-bugmail puremagic.com (28/28) May 09 2008 http://d.puremagic.com/issues/show_bug.cgi?id=2090
- d-bugmail puremagic.com (34/34) May 10 2008 http://d.puremagic.com/issues/show_bug.cgi?id=2090
- d-bugmail puremagic.com (9/9) May 22 2008 http://d.puremagic.com/issues/show_bug.cgi?id=2090
http://d.puremagic.com/issues/show_bug.cgi?id=2090 Summary: Cannot alias a tuple member which is a template instance Product: D Version: 1.029 Platform: PC OS/Version: Windows Status: NEW Severity: blocker Priority: P2 Component: DMD AssignedTo: bugzilla digitalmars.com ReportedBy: samukha voliacable.com ---- template Tuple(A...) { alias A Tuple; } template Bar() { const s = "a bar"; } alias Tuple!(Bar!()) tuple; const i = 0; alias tuple[i] bar; // 'alias tuple[0] bar;' works static assert(bar.s == "a bar"); ---- Error: tuple[0] is not a type --
May 09 2008
http://d.puremagic.com/issues/show_bug.cgi?id=2090 It may be not a blocker as a workaround exists: ---- template Tuple(A...) { alias A Tuple; } template Bar() { const s = "a bar"; } char[] toString(size_t v) { char[] s; s ~= " "; size_t i = 1; do { s[s.length - i] = '0' + v % 10; i++; v /= 10; } while (v) return s[$ - i + 1..$]; } alias Tuple!(void, Bar!()) tuple; const i = 1; mixin ("alias tuple[" ~ toString(i) ~ "] bar;"); static assert(bar.s == "a bar"); void main() { } ---- --
May 10 2008
http://d.puremagic.com/issues/show_bug.cgi?id=2090 bugzilla digitalmars.com changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |FIXED Fixed dmd 1.030 and 2.014 --
May 22 2008