Routing methods dsl refactored to get rid of explicit paths parameter

Fixes #791

CHANGELOG.md

@@ -1,5 +1,6 @@
 0.9.1 (Next)
 ============
+* [#813](/~https://github.com/intridea/grape/pull/813): Routing methods dsl refactored to get rid of explicit `paths` parameter - [@AlexYankee](/~https://github.com/AlexYankee).
 * [#803](/~https://github.com/intridea/grape/pull/803): Added `all_or_none_of` parameter validator - [@loveltyoic](/~https://github.com/loveltyoic).
 * [#774](/~https://github.com/intridea/grape/pull/774): Extended `mutually_exclusive`, `exactly_one_of`, `at_least_one_of` to work inside any kind of group: `requires` or `optional`, `Hash` or `Array` - [@ShPakvel](/~https://github.com/ShPakvel).
 * [#743](/~https://github.com/intridea/grape/pull/743): Added `allow_blank` parameter validator to validate non-empty strings - [@elado](/~https://github.com/elado).

lib/grape/dsl/routing.rb

@@ -115,32 +115,14 @@ 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 pust put head delete options patch".each do |meth|
+          eval <<DEF_METHOD
+          def #{meth}(*args, &block)
+            options = args.extract_options!
+            paths = args.first || ['/']
+            route('#{meth.upcase}', paths, options, &block)
+          end
+DEF_METHOD
         end
 
         def namespace(space = nil, options = {},  &block)