diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/object/duplicable.rb')
-rw-r--r-- | activesupport/lib/active_support/core_ext/object/duplicable.rb | 31 |
1 files changed, 10 insertions, 21 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/duplicable.rb b/activesupport/lib/active_support/core_ext/object/duplicable.rb index 9d044eba71..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 @@ -81,26 +81,15 @@ 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 +require 'bigdecimal' +class BigDecimal + begin + BigDecimal.new('4.56').dup -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 + def duplicable? + true + end + rescue TypeError + # can't dup, so use superclass implementation end end |