p2187-swap_if.hpp File Reference

Implementation of swap_if proposal. More...

Namespaces
	cxxomfort
	Namespace of the cxxomfort library.

Functions
template<typename T >
bool	swap_if (bool c, T &a, T &b)
	Conditionally swaps elements avoiding a branch if possible. More...

Detailed Description

Implementation of swap_if proposal.

Function Documentation

swap_if()

bool cxxomfort::impl::swap_if	(	bool	c,
		T &	a,
		T &	b
	)

Conditionally swaps elements avoiding a branch if possible.

See also

{p2187}

Returns

The condition c passed.

Given (movable) objects a and b , swap_if() will swap them if the condition c holds , avoiding a branch (if ) where possible.

Referenced by cxxomfort::impl::swap_if().