__construct - Hhvm — ContextQMD

:::info[Note] This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information. :::

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

Hack

public function __construct(
  ?Traversable<Tv> $iterable = NULL,
): void;

Parameters

?Traversable<Tv>$iterable = NULL

Returns

void

Examples

See Set for usage examples.