lib/faraday/options.rb in faraday-1.0.0.pre.rc1 vs lib/faraday/options.rb in faraday-1.0.0

@@ -77,10 +77,10 @@
       unless symbolized_key_set.include?(key.to_sym)
         key_setter = "#{key}="
         if !args.empty?
           send(key_setter, args.first)
         elsif block_given?
-          send(key_setter, Proc.new.call(key))
+          send(key_setter, yield(key))
         else
           raise self.class.fetch_error_class, "key not found: #{key.inspect}"
         end
       end
       send(key)