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stephenaument/nil_duck_final.rb

Last active August 29, 2015 13:57
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Revisions

  1. stephenaument revised this gist Mar 10, 2014. 6 changed files with 21 additions and 17 deletions.
    3 changes: 0 additions & 3 deletions nil_duck_final.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -3,17 +3,14 @@ def name
    'Demo Duck'
    end


    def status
    'sleeping'
    end


    def color
    'gray'
    end


    def migratory?
    true
    end
    3 changes: 0 additions & 3 deletions nil_duck_intermediate.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -7,17 +7,14 @@ def name
    'Demo Duck'
    end


    def status
    'sleeping'
    end


    def color
    'gray'
    end


    def migratory?
    true
    end
    4 changes: 0 additions & 4 deletions nil_duck_previous.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -3,22 +3,18 @@ def name
    'Demo Duck'
    end


    def status
    'sleeping'
    end


    def color
    'gray'
    end


    def migratory?
    true
    end


    def method_missing(name, *args)
    super unless Duck.new.respond_to?(name)
    name.ends_with?('?') ? false : nil
    3 changes: 0 additions & 3 deletions nil_goose_final.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -3,17 +3,14 @@ def name
    'Demo Goose'
    end


    def status
    'awake'
    end


    def color
    'black'
    end


    def migratory?
    true
    end
    4 changes: 0 additions & 4 deletions nil_goose_initial.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -3,22 +3,18 @@ def name
    'Demo Goose'
    end


    def status
    'awake'
    end


    def color
    'black'
    end


    def migratory?
    true
    end


    def method_missing(name, *args)
    super unless Goose.new.respond_to?(name)
    name.ends_with?('?') ? false : nil end
    21 changes: 21 additions & 0 deletions nil_goose_intermediate.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,21 @@
    class NilGoose < NilObject
    def initialize
    super(Goose)
    end

    def name
    'Demo Goose'
    end

    def status
    'awake'
    end

    def color
    'black'
    end

    def migratory?
    true
    end
    end
  2. stephenaument revised this gist Mar 10, 2014. 1 changed file with 24 additions and 0 deletions.
    24 changes: 24 additions & 0 deletions nil_duck_intermediate.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,24 @@
    class NilDuck < NilObject
    def initialize
    super(Duck)
    end

    def name
    'Demo Duck'
    end


    def status
    'sleeping'
    end


    def color
    'gray'
    end


    def migratory?
    true
    end
    end
  3. stephenaument revised this gist Mar 7, 2014. 3 changed files with 47 additions and 1 deletion.
    3 changes: 2 additions & 1 deletion nil_duck_previous.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -20,6 +20,7 @@ def migratory?


    def method_missing(name, *args)
    Duck.new.respond_to?(name) ? nil : super
    super unless Duck.new.respond_to?(name)
    name.ends_with?('?') ? false : nil
    end
    end
    20 changes: 20 additions & 0 deletions nil_goose_final.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,20 @@
    class NilGoose < NilObject
    def name
    'Demo Goose'
    end


    def status
    'awake'
    end


    def color
    'black'
    end


    def migratory?
    true
    end
    end
    25 changes: 25 additions & 0 deletions nil_goose_initial.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,25 @@
    class NilGoose
    def name
    'Demo Goose'
    end


    def status
    'awake'
    end


    def color
    'black'
    end


    def migratory?
    true
    end


    def method_missing(name, *args)
    super unless Goose.new.respond_to?(name)
    name.ends_with?('?') ? false : nil end
    end
  4. stephenaument revised this gist Mar 7, 2014. 3 changed files with 49 additions and 0 deletions.
    25 changes: 25 additions & 0 deletions nil_duck_previous.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,25 @@
    class NilDuck
    def name
    'Demo Duck'
    end


    def status
    'sleeping'
    end


    def color
    'gray'
    end


    def migratory?
    true
    end


    def method_missing(name, *args)
    Duck.new.respond_to?(name) ? nil : super
    end
    end
    10 changes: 10 additions & 0 deletions nil_object_1.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,10 @@
    class NilObject
    def initialize(klass)
    @klass = klass
    end

    def method_missing(name, *args)
    return super unless @klass.new.respond_to?(name)
    name.to_s.ends_with?('?') ? false : nil
    end
    end
    14 changes: 14 additions & 0 deletions nil_object_2.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,14 @@
    class NilObject
    def initialize(klass=nil)
    @klass = klass || real_class_name
    end

    def method_missing(name, *args)
    return super unless @klass.new.respond_to?(name)
    name.to_s.ends_with?('?') ? false : nil
    end

    def real_class_name
    self.class.name[3..-1].constantize
    end
    end
  5. stephenaument created this gist Mar 7, 2014.
    20 changes: 20 additions & 0 deletions nil_duck_final.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,20 @@
    class NilDuck < NilObject
    def name
    'Demo Duck'
    end


    def status
    'sleeping'
    end


    def color
    'gray'
    end


    def migratory?
    true
    end
    end
    18 changes: 18 additions & 0 deletions nil_object_final.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,18 @@
    class NilObject
    def initialize(klass=nil)
    @klass = klass || real_class_name
    end

    def method_missing(name, *args)
    return super unless respond_to?(name)
    name.to_s.ends_with?('?') ? false : nil
    end

    def respond_to?(name)
    @klass.new.respond_to?(name)
    end

    def real_class_name
    self.class.name[3..-1].constantize
    end
    end