diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/object')
4 files changed, 11 insertions, 30 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/deep_dup.rb b/activesupport/lib/active_support/core_ext/object/deep_dup.rb index 883f5f556c..f55fbc282e 100644 --- a/activesupport/lib/active_support/core_ext/object/deep_dup.rb +++ b/activesupport/lib/active_support/core_ext/object/deep_dup.rb @@ -1,3 +1,5 @@ +require 'active_support/core_ext/object/duplicable' + class Object # Returns a deep copy of object if it's duplicable. If it's # not duplicable, returns +self+. diff --git a/activesupport/lib/active_support/core_ext/object/duplicable.rb b/activesupport/lib/active_support/core_ext/object/duplicable.rb index 9d1630bb7c..f1b755c2c4 100644 --- a/activesupport/lib/active_support/core_ext/object/duplicable.rb +++ b/activesupport/lib/active_support/core_ext/object/duplicable.rb @@ -19,7 +19,7 @@ class Object # Can you safely dup this object? # - # False for +nil+, +false+, +true+, symbols, numbers, class and module objects; + # False for +nil+, +false+, +true+, symbol, and number objects; # true otherwise. def duplicable? true @@ -81,30 +81,6 @@ class Numeric end end -class Class - # Classes are not duplicable: - # - # c = Class.new # => #<Class:0x10328fd80> - # c.dup # => #<Class:0x10328fd80> - # - # Note +dup+ returned the same class object. - def duplicable? - false - end -end - -class Module - # Modules are not duplicable: - # - # m = Module.new # => #<Module:0x10328b6e0> - # m.dup # => #<Module:0x10328b6e0> - # - # Note +dup+ returned the same module object. - def duplicable? - false - end -end - require 'bigdecimal' class BigDecimal begin diff --git a/activesupport/lib/active_support/core_ext/object/instance_variables.rb b/activesupport/lib/active_support/core_ext/object/instance_variables.rb index 91fdf93eb2..40821fd619 100644 --- a/activesupport/lib/active_support/core_ext/object/instance_variables.rb +++ b/activesupport/lib/active_support/core_ext/object/instance_variables.rb @@ -1,6 +1,6 @@ class Object - # Returns a hash that maps instance variable names without "@" to their - # corresponding values. Keys are strings both in Ruby 1.8 and 1.9. + # Returns a hash with string keys that maps instance variable names without "@" to their + # corresponding values. # # class C # def initialize(x, y) @@ -9,12 +9,11 @@ class Object # end # # C.new(0, 1).instance_values # => {"x" => 0, "y" => 1} - def instance_values #:nodoc: + def instance_values Hash[instance_variables.map { |name| [name[1..-1], instance_variable_get(name)] }] end - # Returns an array of instance variable names including "@". They are strings - # both in Ruby 1.8 and 1.9. + # Returns an array of instance variable names including "@". # # class C # def initialize(x, y) diff --git a/activesupport/lib/active_support/core_ext/object/try.rb b/activesupport/lib/active_support/core_ext/object/try.rb index 48eb546a7d..30c835f5cd 100644 --- a/activesupport/lib/active_support/core_ext/object/try.rb +++ b/activesupport/lib/active_support/core_ext/object/try.rb @@ -7,6 +7,10 @@ class Object # # If try is called without a method to call, it will yield any given block with the object. # + # Please also note that +try+ is defined on +Object+, therefore it won't work with + # subclasses of +BasicObject+. For example, using try with +SimpleDelegator+ will + # delegate +try+ to target instead of calling it on delegator itself. + # # ==== Examples # # Without +try+ |