Namespaces
Variants
Views
Actions

std::experimental::optional::operator bool

From cppreference.com
 
 
Technical specifications
Filesystem library (filesystem TS)
Library fundamentals (library fundamentals TS)
Library fundamentals 2 (library fundamentals 2 TS)
Extensions for parallelism (parallelism TS)
Concepts (concepts TS)
Extensions for concurrency (concurrency TS)
Special mathematical functions (special math TR)
 
 
 
constexpr explicit operator bool() const;
(library fundamentals TS)

Checks whether *this contains a value.

[edit] Parameters

(none)

[edit] Return value

true if *this contains a value, false if *this does not contain a value.

[edit] Exceptions

noexcept specification:  
noexcept