I thought I’d let everyone know that bug 1142366 and bug 1142376 have added
some handy new features to mozilla::Pair. In particular:
- Pair objects are now movable. (It’s now a requirement that the underlying
types be movable too. Every existing use satisfied this requirement.)
- Pair objects are now copyable if the underlying types are copyable.
- We now have an equivalent of std::make_pair, mozilla::MakePair. This lets you
construct a Pair object with type inference. So this code:
> Pair<Foo, Bar> GetPair() {
> return Pair<Foo, Bar>(Foo(), Bar());
> }
Becomes:
> Pair<Foo, Bar> GetPair() {
> return MakePair(Foo(), Bar());
> }
Nice! This can really make a big difference for long type names or types which
have their own template parameters.
These changes should make Pair a little more practical to use. Enjoy!
- Seth
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