Fix noexcept specifier expressions for move operations#93
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T being void should not prevent the move constructor from being declared noexcept.
T being void should not prevent the move assignment operator from being declared noexcept.
The move constructor should not be declared noexcept if E is not nothrow-move-constructible.
The move assignment operator should not be declared noexcept if E is not nothrow-move-constructible or is not nothrow-move-assignable.
Was not applied to the change made in commit 96d547c
Remove noexcept(false) specifier from move assignment operator. This is how the other can-throw-move test classes are defined. And a non-noexcept move assignment operator is not required for the current tests.
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The "tweak test class" commit was added with the hope of getting CI to succeed. However the Visual Studio 2015 build still fails. |
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This pull request fixes the noexcept specifier expressions for the move constructor and the move assignment operator.
For the move constructor, version P0323R10 of the proposal has the following remark:
The expression inside noexcept is equivalent to:
The fix is separated into two commits, the first adds the or-T-is-void part, and the second adds the requirement on E. Test code is included to show the effects of the changes.
For the move assignment operator, the proposal has the following remark:
The expression inside noexcept is equivalent to: is_nothrow_move_assignable_v is true and is_nothrow_move_constructible_v is true.
The fix assumes that the above remark is in error, and that it should be:
The expression inside noexcept is equivalent to:
Again the fix is separated into two commits and includes test code.