Contents

class Hash
  def keep_if
    return to_enum(:keep_if) unless block_given?
    delete_if{|key, value| ! yield key, value}
  end unless method_defined? :keep_if

  def select!(&block)
    return to_enum(:select!) unless block_given?
    reject!{|key, value| ! yield key, value}
  end unless method_defined? :select!
end

Version data entries

43 entries across 43 versions & 2 rubygems

Version	Path
backports-1.16.3	lib/backports/1.9.2/hash.rb
backports-1.16.2	lib/backports/1.9.2/hash.rb
backports-1.16.1	lib/backports/1.9.2/hash.rb