instance method `subclasses`

Ruby on Rails 4.0.13

Since v4.0.13 Last seen in v7.1.6

Available in: v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6

Compare with:

subclasses()

Returns an array with the direct children of self.

Integer.subclasses # => [Fixnum, Bignum]

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

Foo.subclasses # => [Bar]

Source

# File activesupport/lib/active_support/core_ext/class/subclasses.rb, line 35
  def subclasses
    subclasses, chain = [], descendants
    chain.each do |k|
      subclasses << k unless chain.any? { |c| c > k }
    end
    subclasses
  end

Defined in activesupport/lib/active_support/core_ext/class/subclasses.rb line 35 · View on GitHub · Improve this page · Find usages on GitHub

Defined in Class

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