class reference; |
The std::vector<bool> specialization defines std::vector<bool>::reference as a publicly-accessible nested class. std::vector<bool>::reference proxies the behavior of references to a single bit in std::vector<bool>.
The primary use of std::vector<bool>::reference is to provide an l-value that can be returned from operator[].
Any reads or writes to a vector that happen via a std::vector<bool>::reference potentially read or write to the entire underlying vector.
Member functions
| (constructor) | constructs the reference. Accessible only to std::vector<bool> itself (public member function) |
| (destructor) | destroys the reference (public member function) |
| operator= | assigns a bool to the referenced bit (public member function) |
| operator bool | returns the referenced bit (public member function) |
| flip | flips the referenced bit (public member function) |
std::vector<bool>::~reference
~reference() |
Destroys the reference.
std::vector<bool>::reference::operator=
reference& operator=( bool x ); reference& operator=( const reference& x ); |
Assigns a value to the referenced bit.
Parameters
| x | - | value to assign |
Return value
*this.
Exceptions
| (none) | (until C++11) |
noexcept specification: noexcept | (since C++11) |
std::vector<bool>::reference::operator bool
operator bool() const; |
Returns the value of the referenced bit.
Parameters
(none).
Return value
The referenced bit.
Exceptions
| (none) | (until C++11) |
noexcept specification: noexcept | (since C++11) |
std::vector<bool>::reference::flip
void flip(); |
Inverts the referenced bit.
Parameters
(none).
Return value
(none).
Exceptions
| (none) | (until C++11) |
noexcept specification: noexcept | (since C++11) |
See also
| access specified element (public member function of std::vector) | |
| [static] | swaps two std::vector<bool>::references (public static member function) |
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