Contents

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

Version data entries

73 entries across 73 versions & 5 rubygems

Version	Path
backports-3.25.0	lib/backports/1.9.2/hash/keep_if.rb
backports-3.24.1	lib/backports/1.9.2/hash/keep_if.rb
backports-3.24.0	lib/backports/1.9.2/hash/keep_if.rb
backports-3.23.0	lib/backports/1.9.2/hash/keep_if.rb
backports-3.22.1	lib/backports/1.9.2/hash/keep_if.rb
backports-3.22.0	lib/backports/1.9.2/hash/keep_if.rb
backports-3.21.0	lib/backports/1.9.2/hash/keep_if.rb
backports-3.20.2	lib/backports/1.9.2/hash/keep_if.rb
backports-3.20.1	lib/backports/1.9.2/hash/keep_if.rb
backports-3.20.0	lib/backports/1.9.2/hash/keep_if.rb
backports-3.19.0	lib/backports/1.9.2/hash/keep_if.rb
backports-3.18.2	lib/backports/1.9.2/hash/keep_if.rb
backports-3.18.1	lib/backports/1.9.2/hash/keep_if.rb
backports-3.18.0	lib/backports/1.9.2/hash/keep_if.rb
files.com-1.0.55	docs/vendor/bundle/ruby/2.5.0/gems/backports-3.12.0/lib/backports/1.9.2/hash/keep_if.rb
backports-3.17.2	lib/backports/1.9.2/hash/keep_if.rb
backports-3.17.1	lib/backports/1.9.2/hash/keep_if.rb
backports-3.17.0	lib/backports/1.9.2/hash/keep_if.rb
backports-3.16.1	lib/backports/1.9.2/hash/keep_if.rb
backports-3.16.0	lib/backports/1.9.2/hash/keep_if.rb