Routing methods dsl refactored to get rid of explicit paths parameter

Fixes #791

Author: AMar4enko

CHANGELOG.md

@@ -15,6 +15,7 @@
 * [#819](https://github.com/intridea/grape/pull/819): Allowed both `desc` and `description` in the params DSL - [@mzikherman](https://github.com/mzikherman).
 * [#821](https://github.com/intridea/grape/pull/821): Fixed passing string value when hash is expected in params - [@rebelact](https://github.com/rebelact).
 * [#824](https://github.com/intridea/grape/pull/824): Validate array params against list of acceptable values - [@dnd](https://github.com/dnd).
+* [#813](https://github.com/intridea/grape/pull/813): Routing methods dsl refactored to get rid of explicit `paths` parameter - [@AlexYankee](https://github.com/AlexYankee).
 * Your contribution here.
 
 0.9.0 (8/27/2014)

lib/grape/dsl/routing.rb

@@ -115,32 +115,12 @@ def route(methods, paths = ['/'], route_options = {}, &block)
           reset_validations!
         end
 
-        def get(paths = ['/'], options = {}, &block)
-          route('GET', paths, options, &block)
-        end
-
-        def post(paths = ['/'], options = {}, &block)
-          route('POST', paths, options, &block)
-        end
-
-        def put(paths = ['/'], options = {}, &block)
-          route('PUT', paths, options, &block)
-        end
-
-        def head(paths = ['/'], options = {}, &block)
-          route('HEAD', paths, options, &block)
-        end
-
-        def delete(paths = ['/'], options = {}, &block)
-          route('DELETE', paths, options, &block)
-        end
-
-        def options(paths = ['/'], options = {}, &block)
-          route('OPTIONS', paths, options, &block)
-        end
-
-        def patch(paths = ['/'], options = {}, &block)
-          route('PATCH', paths, options, &block)
+        %w"get post put head delete options patch".each do |meth|
+          define_method meth do |*args, &block|
+            options = args.extract_options!
+            paths = args.first || ['/']
+            route(meth.upcase, paths, options, &block)
+          end
         end
 
         def namespace(space = nil, options = {},  &block)