cast_clear_legacy_array_mark

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.

Casts the given traversable to a vec, resetting the legacy array mark if applicable

namespace HH\Lib\Vec;

function cast_clear_legacy_array_mark<T>(
  Traversable<T> $x,
): vec<T>;

Parameters

• Traversable<T>$x

Returns

• vec<T>