1263654 - Tuple should be constructible from types explicitly convertible to the element types

Status: RESOLVED INVALID

(Core :: MFBT, defect)

Description

[Botond Ballo [:botond]]

mozilla::Tuple is currently constructible from types that are *implicitly* convertible to the element types.

Sometimess, it's also useful to be able to construct a tuple from types that are *explicitly* convertible to the element types. (For example, not being able to do this required us to change some constructors of other classes to be implicit in bug 1163320).

std::tuple supports this; I think it makes sense for mozilla::Tuple to do so as well.

Comment 1

[Botond Ballo [:botond]]

I filed bug 1276351 to consider axing mozilla::Tuple altogether and use std::tuple instead, now that we can.

I'll wait for a decision on that bug before either WONTFIXing this bug, or implementing the described fix.

Comment 2

[Botond Ballo [:botond]]

mozilla::Tuple no longer exists.