Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

Returns the return type of swap.

template<typename Seq1, typename Seq2>
struct swap
{
    typedef void type;
};

Table 1.32. Parameters

Parameters	Requirement	Description
`Seq1`, `Seq2`	Models of Forward Sequence	The sequences being swapped

result_of::swap<Seq1, Seq2>::type

Return type: void.

Semantics: Always returns void.

/sequence/intrinsic/swap.hpp>