std::experimental::propagate_const<T>:: operator bool
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<
cpp
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experimental
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propagate const
C++
Experimental
Technical Specification | ||||
Filesystem library (filesystem TS) | ||||
Library fundamentals (library fundamentals TS) | ||||
Library fundamentals 2 (library fundamentals TS v2) | ||||
Library fundamentals 3 (library fundamentals TS v3) | ||||
Extensions for parallelism (parallelism TS) | ||||
Extensions for parallelism 2 (parallelism TS v2) | ||||
Extensions for concurrency (concurrency TS) | ||||
Extensions for concurrency 2 (concurrency TS v2) | ||||
Concepts (concepts TS) | ||||
Ranges (ranges TS) | ||||
Reflection (reflection TS) | ||||
Mathematical special functions (special functions TR) | ||||
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Linear Algebra | ||||
std::execution | ||||
Contracts | ||||
2D Graphics |
std::experimental::propagate_const
Member functions | ||||
Observers | ||||
propagate_const::operator bool
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Non-member functions | ||||
Helper classes | ||||
constexpr
explicit
operator
bool
(
)
const
;
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(library fundamentals TS v2) | |
Checks whether the wrapped pointer-like object, t_ , is null.
Parameters
(none)
Return value
true if the wrapped object is not null, otherwise false . Equivalent to ( bool ) t_ .
Example
This section is incomplete
Reason: no example |
See also
returns a pointer to the object pointed to by the wrapped pointer
(public member function) |
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