method

subclasses

v4.2.9 - Show latest stable - 0 notes - Class: Class

1.0.0
1.1.6
1.2.6
2.0.3
2.1.0 (0)
2.2.1 (0)
2.3.8 (0)
3.0.0 (-9)
3.0.9 (-2)
3.1.0 (0)
3.2.1 (0)
3.2.8 (0)
3.2.13 (0)
4.0.2 (38)
4.1.8 (0)
4.2.1 (0)
4.2.7 (0)
4.2.9 (-18)
5.0.0.1 (0)
5.1.7 (0)
5.2.3 (0)
6.0.0 (0)
6.1.3.1 (0)
6.1.7.7 (0)
7.0.0 (0)
7.1.3.2 (0)
7.1.3.4 (0)
What's this?

subclasses() public

Returns an array with the direct children of self.

class Foo; end
class Bar < Foo; end
class Baz < Bar; end

Foo.subclasses # => [Bar]

Show source

# File activesupport/lib/active_support/core_ext/class/subclasses.rb, line 33
  def subclasses
    subclasses, chain = [], descendants
    chain.each do |k|
      subclasses << k unless chain.any? { |c| c > k }
    end
    subclasses
  end

subclasses

Related methods