This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Struct.filter (from ruby core) --- filter(*args) --- With a block given, returns an array of values from `self` for which the block returns a truthy value: Customer = Struct.new(:name, :address, :zip) joe = Customer.new("Joe Smith", "123 Maple, Anytown NC", 12345) a = joe.select {|value| value.is_a?(String) } a # => ["Joe Smith", "123 Maple, Anytown NC"] a = joe.select {|value| value.is_a?(Integer) } a # => [12345] With no block given, returns an Enumerator. Struct#filter is an alias for Struct#select. (This method is an alias for Struct#select.) With a block given, returns an array of values from `self` for which the block returns a truthy value: Customer = Struct.new(:name, :address, :zip) joe = Customer.new("Joe Smith", "123 Maple, Anytown NC", 12345) a = joe.select {|value| value.is_a?(String) } a # => ["Joe Smith", "123 Maple, Anytown NC"] a = joe.select {|value| value.is_a?(Integer) } a # => [12345] With no block given, returns an Enumerator. Struct#filter is an alias for Struct#select.
This is MURDOC! A Ruby documentation browser inspired by Smalltalk-80. It allows you to learn about Ruby by browsing through its class hierarchies, and see any of its methods.