MutableSet::takeWhile

Returns a MutableSet containing the values of the current MutableSet up to but not including the first value that produces false when passed to the specified callback.

Description

public function takeWhile(
  callable $fn,
): MutableSet<Tv>

Returns a MutableSet containing the values of the current MutableSet up to but not including the first value that produces false when passed to the specified callback.

The returned MutableSet will always be a proper subset of the current MutableSet.

Parameters

  • callable $fn - The callback that is used to determine the stopping condition.

Return Values