From 60e45bab087d2598510189cbec29b4a566671273 Mon Sep 17 00:00:00 2001
From: Eduardo Julian
Date: Mon, 15 Feb 2016 13:03:21 -0400
Subject: - Improved the instantiation of generic types when using
 unparameterized classes. - Added beta-reduction for ExQ. - Improved
 ident->text.

---
 src/lux/base.clj      |  4 +++-
 src/lux/type.clj      | 18 +++++++++++-------
 src/lux/type/host.clj |  4 +++-
 3 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/src/lux/base.clj b/src/lux/base.clj
index d653a11b1..74bb7bfc1 100644
--- a/src/lux/base.clj
+++ b/src/lux/base.clj
@@ -934,7 +934,9 @@
 
 (defn ident->text [ident]
   (|let [[?module ?name] ident]
-    (str ?module ";" ?name)))
+    (if (= "" ?module)
+      ?name
+      (str ?module ";" ?name))))
 
 (defn fold2% [f init xs ys]
   (|case [xs ys]
diff --git a/src/lux/type.clj b/src/lux/type.clj
index 8869b2577..224308f0f 100644
--- a/src/lux/type.clj
+++ b/src/lux/type.clj
@@ -514,18 +514,14 @@
     (&/$DataT ?name (&/|map (partial beta-reduce env) ?params))
 
     (&/$SumT ?left ?right)
-    (let [=left (beta-reduce env ?left)
-          =right (beta-reduce env ?right)]
-      (&/$SumT =left =right))
+    (&/$SumT (beta-reduce env ?left) (beta-reduce env ?right))
 
     (&/$ProdT ?left ?right)
-    (let [=left (beta-reduce env ?left)
-          =right (beta-reduce env ?right)]
-      (&/$ProdT =left =right))
+    (&/$ProdT (beta-reduce env ?left) (beta-reduce env ?right))
 
     (&/$AppT ?type-fn ?type-arg)
     (&/$AppT (beta-reduce env ?type-fn) (beta-reduce env ?type-arg))
-
+    
     (&/$UnivQ ?local-env ?local-def)
     (|case ?local-env
       (&/$Nil)
@@ -534,6 +530,14 @@
       _
       type)
 
+    (&/$ExQ ?local-env ?local-def)
+    (|case ?local-env
+      (&/$Nil)
+      (&/$ExQ env ?local-def)
+
+      _
+      type)
+
     (&/$LambdaT ?input ?output)
     (&/$LambdaT (beta-reduce env ?input) (beta-reduce env ?output))
 
diff --git a/src/lux/type/host.clj b/src/lux/type/host.clj
index 1a174bb27..9717b0e75 100644
--- a/src/lux/type/host.clj
+++ b/src/lux/type/host.clj
@@ -81,7 +81,9 @@
         (if (.equals "void" base)
           &/$UnitT
           (reduce (fn [inner _] (&/$DataT array-data-tag (&/|list inner)))
-                  (&/$DataT base &/$Nil)
+                  (&/$DataT base (-> class .getTypeParameters
+                                     seq count (repeat (&/$DataT "java.lang.Object" &/$Nil))
+                                     &/->list))
                   (range (count (or arr-obrackets arr-pbrackets "")))))
         ))))
 
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