From 8ba4a462010c1c0f5b3fedec2c73205c314c7162 Mon Sep 17 00:00:00 2001
From: Eduardo Julian
Date: Tue, 2 Jan 2018 00:03:06 -0400
Subject: - Added lux/macro.log-type macro for easier debugging.

---
 stdlib/source/lux/macro.lux | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/stdlib/source/lux/macro.lux b/stdlib/source/lux/macro.lux
index 7a01c98be..27329e55c 100644
--- a/stdlib/source/lux/macro.lux
+++ b/stdlib/source/lux/macro.lux
@@ -9,7 +9,8 @@
              [maybe]
              ["e" error]
              [text "text/" Monoid<Text> Eq<Text>]
-             (coll [list "list/" Monoid<List> Monad<List>])))
+             (coll [list "list/" Monoid<List> Monad<List>]))
+       (lang [type]))
   (/ [code]))
 
 ## (type: (Meta a)
@@ -700,3 +701,22 @@
   [log-expand-all  expand-all  "log-expand-all"]
   [log-expand-once expand-once "log-expand-once"]
   )
+
+(macro: #export (log-type tokens)
+  (case tokens
+    (#.Cons [_ (#.Symbol valueN)] #.Nil)
+    (do Monad<Meta>
+      [valueT (find-type valueN)
+       #let [_ (log! ($_ text/compose (code.to-text (code.symbol valueN)) " : " (type.to-text valueT)))]]
+      (wrap (list (' []))))
+
+    (#.Cons valueC #.Nil)
+    (|> (` (.let [(~ g!value) (~ valueC)]
+             (..log-type (~ g!value))))
+        (let [g!value (code.local-symbol (code.to-text valueC))])
+        list
+        (:: Monad<Meta> wrap))
+
+    _
+    (fail "Wrong syntax for log-type.")
+    ))
-- 
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