+ now uses rig/rspec

Gemfile

@@ -1,6 +1,6 @@
 source "http://rubygems.org"
 
-gem 'parslet', '~> 1.0'
+gem 'parslet', :git => 'git://github.com/kschiess/parslet'
 
 group :development do
   gem 'rspec', '~> 2'

Gemfile.lock

@@ -1,11 +1,16 @@
+GIT
+  remote: git://github.com/kschiess/parslet
+  revision: c140a7b5f04cafaf23cad29c6e7c9656777063d1
+  specs:
+    parslet (1.1.0)
+      blankslate (~> 2.1.2.3)
+
 GEM
   remote: http://rubygems.org/
   specs:
     blankslate (2.1.2.3)
     diff-lcs (1.1.2)
     flexmock (0.8.11)
-    parslet (1.0.0)
-      blankslate (~> 2.1.2.3)
     rspec (2.3.0)
       rspec-core (~> 2.3.0)
       rspec-expectations (~> 2.3.0)
@@ -20,5 +25,5 @@ PLATFORMS
 
 DEPENDENCIES
   flexmock
-  parslet (~> 1.0)
+  parslet!
   rspec (~> 2)

spec/wt/parser_spec.rb

@@ -1,26 +1,10 @@
 require 'spec_helper'
 
+require 'parslet/rig/rspec'
+
 describe Wt::Parser do
   let(:parser) { described_class.new }
 
-  RSpec::Matchers.define :parse do |exp|
-    match do |parser|
-      begin
-        parser.parse(exp)
-        true
-      rescue Parslet::ParseFailed
-        false
-      end
-    end
-    failure_message_for_should do |parser|
-      begin
-        parser.parse(exp)
-      rescue Parslet::ParseFailed => b
-        parser.error_tree.to_s
-      end
-    end
-  end
-
   context "simple arithmetic expressions" do
     subject { parser.expression }
     it { should parse("1+2") }