__construct

:::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 ImmMap from the given KeyedTraversable, or an empty ImmMap if null is passed

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

Parameters

• ?KeyedTraversable<Tk,Tv> $iterable = NULL

title: __construct slug: __construct

Returns

• void

Examples

See Map::__construct for usage examples.