From 854993655d4318d565226413645268f0885df0cb Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sat, 10 Oct 2015 14:14:47 +0100
Subject: Distinguish boxed and unboxed primitives

---
 src/main/java/org/zwobble/couscous/MapBackedProject.java | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src/main/java/org/zwobble/couscous/MapBackedProject.java')

diff --git a/src/main/java/org/zwobble/couscous/MapBackedProject.java b/src/main/java/org/zwobble/couscous/MapBackedProject.java
index 7a243f4..8547677 100644
--- a/src/main/java/org/zwobble/couscous/MapBackedProject.java
+++ b/src/main/java/org/zwobble/couscous/MapBackedProject.java
@@ -46,6 +46,11 @@ public class MapBackedProject implements Project {
     
     @Override
     public ConcreteType findClass(TypeName name) {
-        return classes.get(name);
+        if (classes.containsKey(name)) {
+            return classes.get(name);            
+        } else {
+            throw new IllegalArgumentException("Cannot find class: " + name);
+        }
+        
     }
 }
-- 
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