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type_structure_for_alias

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.

Retrieves the TypeStructure for a type alias

namespace HH;

function type_structure_for_alias<T>(
  typename<T> $cls_or_obj,
): TypeStructure<T>;

Parameters​

  • typename<T> $cls_or_obj

Returns​

  • darray - The resolved type structure for a type alias.