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Bug 892839 - Fix buggy example code in Move.h. r=luke DONTBUILD

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This commit is contained in:
Justin Lebar 2013-07-15 10:40:30 -07:00
parent 6d766118c8
commit fc156c847f
1 changed files with 2 additions and 2 deletions
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4
mfbt/Move.h
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@ -101,11 +101,11 @@ namespace mozilla {
* One hint: if you're writing a move constructor where the type has members * One hint: if you're writing a move constructor where the type has members
* that should be moved themselves, it's much nicer to write this: * that should be moved themselves, it's much nicer to write this:
* *
* C(MoveRef<C> c) : x(c->x), y(c->y) { } * C(MoveRef<C> c) : x(Move(c->x)), y(Move(c->y)) { }
* *
* than the equivalent: * than the equivalent:
* *
* C(MoveRef<C> c) { new(&x) X(c->x); new(&y) Y(c->y); } * C(MoveRef<C> c) { new(&x) X(Move(c->x)); new(&y) Y(Move(c->y)); }
* *
* especially since GNU C++ fails to notice that this does indeed initialize x * especially since GNU C++ fails to notice that this does indeed initialize x
* and y, which may matter if they're const. * and y, which may matter if they're const.