[issue18652] Add itertools.first_true (return first true item in iterable)

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Looks as too much work for too small gain (and I'm suppose the total gain is negative if we count all costs).

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18652>
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