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C++ Iterator Library - make_move_iterator
Description
It constructs a move_iterator object from it.
Declaration
Following is the declaration for std::make_move_iterator.
C++11
template <class Iterator> move_iterator<Iterator> make_move_iterator (const Iterator& it);
Parameters
it − It is an iterator.
Return value
It returns a move_iterator equivalent to it, but that moves on dereferences.
Exceptions
If x somehow throws while applying the unary operator& to it, this function never throws exceptions.
Time complexity
constant for random-access iterators.
Example
The following example shows the usage of std::make_move_iterator.
#include <iostream> #include <iterator> #include <vector> #include <string> #include <algorithm> int main () { std::vector<std::string> foo (3); std::vector<std::string> bar {"tutorialspont","com","india"}; std::copy ( make_move_iterator(bar.begin()), make_move_iterator(bar.end()), foo.begin() ); // bar now contains unspecified values; clear it: bar.clear(); std::cout << "foo:"; for (std::string& x : foo) std::cout << ' ' << x; std::cout << '\n'; return 0; }
Let us compile and run the above program, this will produce the following result −
foo: tutorialspont com india
iterator.htm
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