Re: STL algorithms: remove and remove_if
On 2011-03-10 01:45, Goran Aran??elovi?? wrote:
I have one (maybe simple) question:
Why there are both versions, std::remove and std::remove_if and not
only std::remove_if?
std::remove takes the value and erases all objects with the same
value, and std::remove_if takes the predicate.
I can always use remove_if and write my predicate that will do the
same thing as std::remove algorithm, can I?
In theory: Yes. For practical purposes: No.
Remember that most function templates of Clause [algorithms] are already
extremely fundamental. If you "de-simplify" the current interface by
requiring that user code should even be enforced to provide a predicate
and to use std::remove_if instead of simply calling std::remove with his
or her value of interest, you would punish users by unnecessarily
increasing the complexity.
HTH & Greetings from Bremen,
Daniel Kr??gler
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