diff options
Diffstat (limited to 'activesupport/lib/active_support')
-rw-r--r-- | activesupport/lib/active_support/core_ext/name_error.rb | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/name_error.rb b/activesupport/lib/active_support/core_ext/name_error.rb new file mode 100644 index 0000000000..42b89d3d28 --- /dev/null +++ b/activesupport/lib/active_support/core_ext/name_error.rb @@ -0,0 +1,15 @@ + +# Add a +missing_name+ method to NameError instances. +class NameError < StandardError + + # Add a method to obtain the missing name from a NameError. + def missing_name + $1 if /((::)?([A-Z]\w*)(::[A-Z]\w*)*)$/ =~ message + end + + # Was this exception raised because the given name was missing? + def missing_name?(name) + missing_name == name.to_s + end + +end
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