Tomographer::Tools::hasOStreamOp< T > Struct Template Reference

Traits class to see whether an object exposes a "<<" operator overload for std::ostream. More...

#include <tomographer/tools/fmt.h>

Static Public Attributes
static constexpr bool	value

Detailed Description

template<typename T>
struct Tomographer::Tools::hasOStreamOp< T >

Traits class to see whether an object exposes a "<<" operator overload for std::ostream.

Use the expression

hasOStream<T>::value

to test whether a type T can be streamed into a std::ostream. This value is a compile-time boolean and can be used in template parameters.

Definition at line 199 of file fmt.h.

Member Data Documentation

value

template<typename T >

constexpr bool Tomographer::Tools::hasOStreamOp< T >::value

static

Initial value:

= (sizeof(tomo_internal::test_has_stream_op<T>(0))
                                 == sizeof(typename tomo_internal::sfinae_yes<>::yes))

Definition at line 200 of file fmt.h.

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

• tomographer/tools/fmt.h (v5.4)