D-Programming-Language/druntime — pull request #147 by jmdavis (2012-02-07 03:13:45+00:00)
Title: Made capacity and reserve pure nothrow.

I don't see any reason for these not to be pure and/or nothrow, and
their lack is problematic for pure functions (and to some extent,
nothrow functions, though try-catch can fix that as tedious as it may
be).