ConstSetAccess

:::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. :::

The interface for all Sets to enable access its values

Guides

• Introduction
• Interfaces

Interface Synopsis

interface ConstSetAccess {...}

Public Methods

• ->contains(arraykey $m): bool
  Checks whether a value is in the current Set