How can I check for existence of element in std::vector, in one line? [duplicate]

Question

Possible Duplicate:
How to find an item in a std::vector?

This is what I'm looking for:

#include <vector> std::vector<int> foo() {   // to create and return a vector   return std::vector<int>(); } void bar() {   if (foo().has(123)) { // it's not possible now, but how?     // do something   } } 

In other words, I'm looking for a short and simple syntax to validate the existence of an element in a vector. And I don't want to introduce another temporary variable for this vector. Thanks!

Answer 1

Unsorted vector:

if (std::find(v.begin(), v.end(),value)!=v.end())     ... 

Sorted vector:

if (std::binary_search(v.begin(), v.end(), value)    ... 

P.S. may need to include <algorithm> header