std::valarray<T>::resize
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std::valarray 
void resize( std::size_t count, T value = T() );
 
 
Resizes the valarray to contain count elements and assigns value to each element.
This functions invalidates all pointers and references to elements in the array.
Contents
[edit] Parameters
 count
 -
 new size of the container
 value
 -
 the value to initialize the new elements with
[edit] Return value
(none)
[edit] Example
Run this code
#include <iostream> #include <valarray> int main() { std::valarray <int> v{1, 2, 3}; v.resize(10); for (int n : v) std::cout << n << ' '; std::cout << '\n'; }
Output:
0 0 0 0 0 0 0 0 0 0