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 | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/duplicable.rb b/activesupport/lib/active_support/core_ext/object/duplicable.rb index 9bb99087bc..c78ee6bbfc 100644 --- a/activesupport/lib/active_support/core_ext/object/duplicable.rb +++ b/activesupport/lib/active_support/core_ext/object/duplicable.rb @@ -75,8 +75,11 @@ end class Symbol begin - :symbol.dup # Ruby 2.4.x. - "symbol_from_string".to_sym.dup # Some symbols can't `dup` in Ruby 2.4.0. + :symbol.dup + + # Some symbols couldn't be duped in Ruby 2.4.0 only, due to a bug. + # This feature check catches any regression. + "symbol_from_string".to_sym.dup rescue TypeError # Symbols are not duplicable: |