folly::sorted_vector_set::emplace

Synopses

Declared in <folly/container/sorted_vector_types.h>

Inserts value if it is absent; equivalent to insert.

std::pair<iterator, bool>
emplace(value_type const& value);

Inserts value if it is absent; equivalent to insert.

std::pair<iterator, bool>
emplace(value_type&& value);

emplace isn't better than insert for sorted_vector_set, but aids compatibility

template<typename... Args>
std::pair<iterator, bool>
emplace(Args&&... args);

A pair of the element position and whether it was inserted.

Name	Description
value	The element to insert.
args	Arguments used to construct the element.