MooseUtils::Has_size< T > Class Template Reference

Taken from https://stackoverflow.com/a/257382 Evaluating constexpr (Has_size<T>::value) in a templated method over class T will return whether T is a standard container or a singleton. More...

#include <MooseUtils.h>

Classes
struct	No

Static Public Attributes
static constexpr bool	value = sizeof(test<T>(0)) == sizeof(Yes)

Private Types
using	Yes = char

Static Private Member Functions
template<typename C >
static Yes	test (decltype(&C::size))
template<typename C >
static No	test (...)

Detailed Description

template<typename T>
class MooseUtils::Has_size< T >

Taken from https://stackoverflow.com/a/257382 Evaluating constexpr (Has_size<T>::value) in a templated method over class T will return whether T is a standard container or a singleton.

Definition at line 666 of file MooseUtils.h.

Member Typedef Documentation

Yes

template<typename T >

using MooseUtils::Has_size< T >::Yes = char

private

Definition at line 668 of file MooseUtils.h.

Member Function Documentation

test() [1/2]

template<typename T >

template<typename C >

static Yes MooseUtils::Has_size< T >::test ( decltype &::size  )

staticprivate

test() [2/2]

template<typename T >

template<typename C >

static No MooseUtils::Has_size< T >::test (   ... )

staticprivate

Member Data Documentation

value

template<typename T >

constexpr bool MooseUtils::Has_size< T >::value = sizeof(test<T>(0)) == sizeof(Yes)

static

Definition at line 680 of file MooseUtils.h.

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

• include/utils/MooseUtils.h