1 | iterator lower_bound( const Key& key );
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| (1) | |
1 | const_iterator lower_bound( const Key& key ) const;
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| (1) | |
1 2 | template< class K >
iterator lower_bound(const K& x);
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| (2) | (since C++14) |
1 2 | template< class K >
const_iterator lower_bound(const K& x) const;
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| (2) | (since C++14) |
1) Returns an iterator pointing to the first element that is not less than key.
2) Returns an iterator pointing to the first element that compares not less to the value x. This overload only participates in overload resolution if the qualified-id Compare::is_transparent is valid and denotes a type. They allow calling this function without constructing an instance of Key.
Parameters
| key | - | key value to compare the elements to |
| x | - | alternative value that can be compared to Key |
Return value
Iterator pointing to the first element that is not less than key. If no such element is found, a past-the-end iterator (see end()) is returned.
Complexity
Logarithmic in the size of the container.
See also
| | returns range of elements matching a specific key
(public member function) |
| | returns an iterator to the first element greater than the given key
(public member function) |
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