Handle unary ops when converting typespec to ast

Author: ericmj

CHANGELOG.md

@@ -1,8 +1,12 @@
 # v0.12.1-dev
 
 * Enhancements
+
 * Bug fixes
+  * [Typespec] - Fix conversion of unary ops from typespec format to ast
+
 * Deprecations
+
 * Backwards incompatible changes
 
 # v0.12.0 (2013-12-15)

lib/elixir/lib/kernel/typespec.ex

@@ -576,6 +576,10 @@ defmodule Kernel.Typespec do
     { erl_to_ex_var(var), line, nil }
   end
 
+  defp typespec_to_ast({ :op, line, op, arg }) do
+    { op, [line: line], [typespec_to_ast(arg)] }
+  end
+
   # Special shortcut(s)
   defp typespec_to_ast({ :remote_type, line, [{:atom, _, :elixir}, {:atom, _, :char_list}, []] }) do
     typespec_to_ast({:type, line, :char_list, []})

lib/elixir/test/elixir/typespec_test.exs

@@ -403,6 +403,7 @@ defmodule Typespec.TypeTest do
       (quote do: @type vaf() :: (... -> any())),
       (quote do: @type rng() :: 1 .. 10),
       (quote do: @type opts() :: [first: integer(), step: integer(), last: integer()]),
+      (quote do: @type ops() :: {+1,-1}),
     ]
 
     types = test_module do