key_value_pair::key
The pair’s key.
Synopsis
string_view const
key() const noexcept;Description
After construction, the key may not be modified.
Complexity
Constant.
Exception Safety
No-throw guarantee.
key_value_pair::keyThe pair’s key.
string_view const
key() const noexcept;After construction, the key may not be modified.
Constant.
No-throw guarantee.