HH\ImmVector::map
Returns an ImmVector
containing the results of applying an operation to
each value in the current ImmVector
public function map<Tu>(
(function(Tv): Tu) $callback,
): ImmVector<Tu>;
map()
's result contains a value for every value in the current
ImmVector
; unlike filter()
, where only values that meet a certain
criterion are included in the resulting ImmVector
.
Guide
Parameters
(function(Tv): Tu) $callback
- The callback containing the operation to apply to the currentImmVector
's values.
Returns
ImmVector<Tu>
- AnImmVector
containing the results of applying a user-specified operation to each value of the currentImmVector
in turn.
Examples
See Vector::map
for usage examples.