From b1d70453cf207b8049e09c36c4df66492a586b05 Mon Sep 17 00:00:00 2001
From: Michael Miller <icy.arctic.fox@gmail.com>
Date: Tue, 28 Aug 2018 16:37:28 -0600
Subject: [PATCH] Implement #let!

---
 src/spectator/dsl.cr | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/spectator/dsl.cr b/src/spectator/dsl.cr
index 7e2e842..e8b8063 100644
--- a/src/spectator/dsl.cr
+++ b/src/spectator/dsl.cr
@@ -45,6 +45,8 @@ module Spectator
     end
 
     macro let(name, &block)
+      let!({{name}}!) {{block}}
+
       module Context
         @_%proxy : ValueProxy?
 
@@ -57,15 +59,15 @@ module Spectator
             end
           end
         end
-
-        def {{name.id}}!
-          {{block.body}}
-        end
       end
     end
 
-    def let!
-      raise NotImplementedError.new("Spectator::DSL#let!")
+    macro let!(name, &block)
+      module Context
+        def {{name.id}}
+          {{block.body}}
+        end
+      end
     end
 
     macro is_expected