Std0utility

Files
file	14-integer_sequence.hpp
	Backports for C++14's "integer_sequence" facilities.
file	utility.hpp
	Implementations related to Standard Header utility.

Functions
template<typename T , typename U = T>
T	exchange (T &obj, CXXO_RV_REF(U) nval)
	Replaces a variable's value, returns the old value. More...

Detailed Description

Function Documentation

exchange()

T cxxomfort::cxxostd::exchange	(	T &	obj,
		CXXO_RV_REF(U)	nval
	)

Replaces a variable's value, returns the old value.

C++14 Backports:

Assign a new value to a variable and return the old value.

See also

{n3668}

The macro CXXOMFORT_IMPLEMENTS_exchange informs about the implementation status. Additionally, when cxxomfort activates this feature, it will define the macro __cpp_lib_exchange_function from SD-6.