HH\Pair::concat

Returns an ImmVector that is the concatenation of the values of the current Pair and the values of the provided Traversable

Description

public function concat<Tu super mixed>(
  Traversable<Tu> $traversable,
): ImmVector<Tu>

The values of the provided Traversable is concatenated to the end of the current Pair to produce the returned ImmVector.

Parameters

Return Values

Examples

This example creates a new ImmVector by concatenating a Traversable with the values in the Pair.

<?hh

namespace Hack\UserDocumentation\API\Examples\Pair\Concat;

$p = Pair {'foo', -1.5};

$v = $p->concat(array(100, 'bar'));
var_dump($v);
Output
object(HH\ImmVector)#2 (4) {
  [0]=>
  string(3) "foo"
  [1]=>
  float(-1.5)
  [2]=>
  int(100)
  [3]=>
  string(3) "bar"
}