On Sunday, 21 April 2013 at 02:13:54 UTC, Manu wrote:
definition:
matrix getMatrix(T x); // this is all you know
That's the point of the example. You _don't know_ if func() is
unsafe, does
it escape the reference? But you need to pass a temp anyway,
you have no
bearing on whether you should just hack it to work, or
reconsider the
problem.
And when 99 times out of 100, the correct answer is 'hack it to
work',
you're basically asking for a spectacular bug in that other 1%
of cases.
If that is your concern then the DIP36 is a very bad answer to it
:
- It require extra anotation, which wont be added most of the
time.
- It is inferior, and impair the introduction of lifetime. This
isn't even discussed.
