12 lines
454 B
C++
12 lines
454 B
C++
#include <vector>
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#include <algorithm>
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#include <iterator>
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// this assumes T is default-constructible
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std::vector<T> vec1(n); // all n objects are default-initialized
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// this assumes t is a value of type T (or a type which implicitly converts to T)
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std::vector<T> vec2(n, t); // all n objects are copy-initialized with t
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// To initialise each value differently
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std::generate_n(std::back_inserter(vec), n, makeT); //makeT is a function of type T(void)
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