HH\Lib\Dict\associate

Requires the Hack Standard Library to be installed.
Facebook Engineer?

This function is available as Dict\associate() in Facebook's www repository.

Returns a new dict where each element in $keys maps to the corresponding element in $values

namespace HH\Lib\Dict;

function associate<Tk as arraykey, Tv>(
  Traversable<Tk> $keys,
  Traversable<Tv> $values,
): dict<Tk, Tv>;

Time complexity: O(n) where n is the size of $keys (which must be the same as the size of $values) Space complexity: O(n) where n is the size of $keys (which must be the same as the size of $values)

Parameters

Returns

  • dict<Tk, Tv>