MutableMap::firstValue
Returns the first value in the current MutableMap
public function firstValue(): ?Tv;
Returns
?Tv- The first value in the currentMutableMap, ornullif theMutableMapis empty.
Returns the first value in the current MutableMap
public function firstValue(): ?Tv;
?Tv - The first value in the current MutableMap, or null if the
MutableMap is empty.