C++
- Getting started with C++
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- Alignment
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-
Date and time using
header - decltype
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C++ Returning several values from a function Using Output Iterator
Example
Several values of the same type can be returned by passing an output iterator to the function. This is particularly common for generic functions (like the algorithms of the standard library).
Example:
template<typename Incrementable, typename OutputIterator>
void generate_sequence(Incrementable from, Incrementable to, OutputIterator output) {
for (Incrementable k = from; k != to; ++k)
*output++ = k;
}
Example usage:
std::vector<int> digits;
generate_sequence(0, 10, std::back_inserter(digits));
// digits now contains {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
