ActiveSupport::DescendantsTracker (original) (raw)
Active Support Descendants Tracker
This module provides an internal implementation to track descendants which is faster than iterating through ObjectSpace
.
However Ruby 3.1 provide a fast native +Class#subclasses+ method, so if you know your code won’t be executed on older rubies, including ActiveSupport::DescendantsTracker does not provide any benefit.
Methods
D
S
Class Public methods
descendants(klass)Link
def descendants(klass) klass.descendants end
subclasses(klass)Link
def subclasses(klass) klass.subclasses end
Instance Public methods
descendants()Link
def descendants subclasses = DescendantsTracker.reject!(self.subclasses) subclasses.concat(subclasses.flat_map(&:descendants)) end