From: Jean Privat <jean@pryen.org>
Date: Thu, 11 Jun 2009 16:44:17 +0000 (-0400)
Subject: metamodel: PartialOrder::[] fail on wrong key
X-Git-Tag: v0.3~272
X-Git-Url: http://nitlanguage.org

metamodel: PartialOrder::[] fail on wrong key

Alike stdlib Map::[] method, PartialOrder::[] aborts if key does not exists.

Signed-off-by: Jean Privat <jean@pryen.org>
---

diff --git a/src/metamodel/partial_order.nit b/src/metamodel/partial_order.nit
index 4960a51..7e7d936 100644
--- a/src/metamodel/partial_order.nit
+++ b/src/metamodel/partial_order.nit
@@ -58,11 +58,7 @@ special Collection[E]
 	# Return the element associed with the item
 	meth [](e: E): PartialOrderElement[E]
 	do
-		if _elements.has_key(e) then
-			return _elements[e]
-		else
-			return null
-		end
+		return _elements[e]
 	end
 
 	# Return a dot representation