Stringish
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.
Stringish is a type that matches strings as well as string-convertible objects: that is, objects that provide the __toString method
Interface Synopsis
interface Stringish implements XHPChild {...}