[Issue 4475] Improving the compiler 'in' associative array can return just a bool
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Sat Jan 7 07:18:55 PST 2012
http://d.puremagic.com/issues/show_bug.cgi?id=4475
--- Comment #6 from bearophile_hugs at eml.cc 2012-01-07 07:18:55 PST ---
(In reply to comment #4)
> I would be against making 'in' return bool for AAs. I often do:
>
> if (auto x = foo in someAA)
> // do something with *x
>
> Doing a lookup after checking for foo's presence in someAA is ugly compared to
> this.
Ugly is returning a pointer in a language like D where pointers are usually not
necessary.
What's bad/ugly in code like this? I think it's more readable:
if (foo in someAA) {
// do something with someAA[foo]
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