Set the first element with key to the move-insertable value.
Declared in <bdlcc_stripedunorderedcontainerimpl.h>
std::size_t
setValueFirst(
KEY const& key,
bslmf::MovableRef<VALUE> value);If no such element exists, insert (key, value). If there are multiple elements in this hash map having key then set the value of the first such element found. Return the number of elements found having key. Note that if no elements were found, and a new value was inserted, 0 is returned. Also note that, when there are multiple elements having key, the selection of "first" is unspecified and subject to change.
number of elements found having key
| Name | Description |
|---|---|
| key | key of the element to set or insert |
| value | move-insertable value to assign or insert |