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__construct

hphp/hack/manual/apis/Classes/HH/ImmMap/0.__construct.md

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:::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

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

Parameters


title: __construct slug: __construct

Returns

  • void

Examples

See Map::__construct for usage examples.

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