std::copyable_function::operator bool
explicit operator bool() const noexcept; | (since C++26) |
Checks whether *this stores a callable target, i.e. is not empty.
Parameters
(none)
Return value
true if *this stores a callable target, false otherwise.
Example
See also
|
(C++26) | compares a std::copyable_function with nullptr (function) |
| checks if a target is contained (public member function of std::function<R(Args...)>) |
|
checks if the std::move_only_function has a target (public member function of std::move_only_function) |
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