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DocumentationHackReferenceClassHH\VectorfromItems

HH\Vector::fromItems

Creates a Vector from the given Traversable, or an empty Vector if null is passed

public static function fromItems(
  ?Traversable<Tv> $iterable,
): Vector<Tv>;

This is the static method version of the Vector::__construct() constructor.

Parameters

Returns

Examples

// Create a new Vector from an array
$v = Vector::fromItems(varray['red', 'green', 'blue', 'yellow']);
\var_dump($v);

// Create a new Vector from a Set
$v = Vector::fromItems(Set {'red', 'green', 'blue', 'yellow'});
\var_dump($v);

// Create a new Vector from the values of a Map
$v = Vector::fromItems(Map {
  'red' => 'red',
  'green' => 'green',
  'blue' => 'blue',
  'yellow' => 'yellow',
});
\var_dump($v);

// An empty Vector is created if null is provided
$v = Vector::fromItems(null);
\var_dump($v);