identityOp Struct Reference

A functor that returns its argument unchanged (cf. C++20 std::identity) Should never be specialized. More...

#include <stdFoam.H>

Public Types
using	is_transparent = void

Public Member Functions
template<class T>
constexpr T &&	operator() (T &&val) const noexcept
template<class T>
constexpr T &&	operator[] (T &&val) const noexcept

Detailed Description

A functor that returns its argument unchanged (cf. C++20 std::identity) Should never be specialized.

Definition at line 107 of file stdFoam.H.

Member Typedef Documentation

is_transparent

using is_transparent = void

Definition at line 109 of file stdFoam.H.

Member Function Documentation

operator()()

template<class T>

T && operator() ( T && val ) const

inlineconstexprnoexcept

Definition at line 112 of file stdFoam.H.

References Foam::T().

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operator[]()

template<class T>

T && operator[] ( T && val ) const

inlineconstexprnoexcept

Definition at line 119 of file stdFoam.H.

References Foam::T().

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The documentation for this struct was generated from the following file:

• src/OpenFOAM/include/stdFoam.H