BloombergLP::bdlc::FlatHashMap::insert_or_assign

Insert or assign the mapped value for key using a hint.

Synopsis

Declared in <bdlc_flathashmap.h>

template<
    class LOOKUP_KEY,
    class MAPPED>
iterator
insert_or_assign(
    const_iterator hint,
    LOOKUP_KEY&& key,
    MAPPED&& obj)
requires BloombergLP::bslmf::IsTransparentPredicate<HASH, LOOKUP_KEY>::value
         && BloombergLP::bslmf::IsTransparentPredicate<EQUAL,LOOKUP_KEY>::value;

Description

If this map contains an entry with a key equivalent to the specified key, assign the specified obj to the mapped_type of that entry. Otherwise, insert a new entry into the map. Return an iterator to the inserted or updated entry. obj is left in a (valid) unspecified state.

Return Value

iterator to the inserted or updated element

Parameters

NameDescription
hintiterator hint (ignored)
keytransparent key to insert or update
objmapped value to assign or move-insert