lib/slop/option.rb in slop-4.1.0 vs lib/slop/option.rb in slop-4.2.0

@@ -100,10 +100,10 @@
       flags.join(", ")
     end
 
     # Returns the last key as a symbol. Used in Options.to_hash.
     def key
-      (config[:key] || flags.last.sub(/\A--?/, '')).to_sym
+      (config[:key] || flags.last.sub(/\A--?/, '')).tr("-", "_").to_sym
     end
 
     # Returns true if this option should be displayed in help text.
     def help?
       config[:help]