bool empty() const; | (since {std}) |
Checks if the container has no elements, i.e. whether begin() == end()
.
Parameters
(none).
Return value
true
if the container is empty, false
otherwise.
Exceptions
noexcept
specification: noexcept
Complexity
Constant.
Example
Template:cpp/container/dynarray/example empty
See also
returns the number of elements (public member function) |
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