Re: STL algorithm member function problem
Carl Barron ha scritto:
If copying is a problem then consider finding the element to remove,
swapping it with the last entry, decrementing end then if end is
returned the range[end, container.end()) can be erased.
<code snipped>
behaves like std::remove_if does not erase anything.
This swaps the strings out of the sequence but rearranges the order
of the strings. If order is unimportant and the size and or # is large
this may be more efficient.
Using swap instead of assignment is definitely a good idea when swapping
is cheaper than copying. However, you don't need to reinvent the wheel.
The standard library already has an algorithm that essentially is a
remove_if with swapping, it's std::partition. The only difference is
that it takes a logically negated predicate. Notice that if the order if
important, you can also use std::stable_partition, although it's going
to be less efficient, of course.
Ganesh
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