juce::NullCheckedInvocation Struct Reference

Some helper methods for checking a callable object before invoking with the specified arguments. More...

#include <juce_Functional.h>

Static Public Member Functions
template<typename Callable , typename... Args, std::enable_if_t< detail::EqualityComparableToNullptr< Callable >::value, int > = 0>
static void	invoke (Callable &&fn, Args &&... args)
template<typename Callable , typename... Args, std::enable_if_t<! detail::EqualityComparableToNullptr< Callable >::value, int > = 0>
static void	invoke (Callable &&fn, Args &&... args)
template<typename... Args>
static void	invoke (std::nullptr_t, Args &&...)

Detailed Description

Some helper methods for checking a callable object before invoking with the specified arguments.

If the object provides a comparison operator for nullptr it will check before calling. For other objects it will just invoke the function call operator.

@tags{Core}

Member Function Documentation

invoke() [1/3]

template<typename Callable , typename... Args, std::enable_if_t< detail::EqualityComparableToNullptr< Callable >::value, int > = 0>

static void juce::NullCheckedInvocation::invoke ( Callable &&  fn, Args &&...  args  )

inlinestatic

Referenced by juce::ModalCallbackFunction::create().

invoke() [2/3]

template<typename Callable , typename... Args, std::enable_if_t<! detail::EqualityComparableToNullptr< Callable >::value, int > = 0>

static void juce::NullCheckedInvocation::invoke ( Callable &&  fn, Args &&...  args  )

inlinestatic

invoke() [3/3]

template<typename... Args>

static void juce::NullCheckedInvocation::invoke ( std::nullptr_t  , Args &&  ...  )

inlinestatic

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

• juce_Functional.h