Boost C++ Libraries

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This is an older version of Boost and was released in 2020. The current version is 1.89.0.

Function template swap

Function template swap

boost::swap

Synopsis

// In header: <boost/variant/variant.hpp>


template<typename T1, typename T2, ..., typename TN> 
  void swap(variant<T1, T2, ..., TN> & lhs, variant<T1, T2, ..., TN> & rhs);

Description

Effects:	Swaps `lhs` with `rhs` by application of `variant::swap`.
Throws:	May fail with any exception arising from `variant::swap`.