std::queue front
- since C++98
// (1) Non const version
reference front();
// (2) Const version
const_reference front() const;
Returns a reference
to the first element in the queue.This element will be the first element to be removed on a call to
pop()
.
note
Effectively calls c.front()
.
Parameters
(none)
Return value
Reference to the first element.
Exceptions
(none)
Complexity
Constant - (1).
Example
important
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