How to find out if an item is present in a std::vector?

Question

All I want to do is to check whether an element exists in the vector or not, so I can deal with each case.

if ( item_present )
   do_this();
else
   do_that(         


        

Answer 1

I use something like this...

#include 


template  
const bool Contains( std::vector& Vec, const T& Element ) 
{
    if (std::find(Vec.begin(), Vec.end(), Element) != Vec.end())
        return true;

    return false;
}

if (Contains(vector,item))
   blah
else
   blah

...as that way it's actually clear and readable. (Obviously you can reuse the template in multiple places).