From: Jean Privat <jean@pryen.org>
Date: Fri, 6 Mar 2015 04:07:54 +0000 (+0700)
Subject: lib/map: make concrete `Map.keys` and `Map.values` lazy
X-Git-Tag: v0.7.3~39^2
X-Git-Url: http://nitlanguage.org

lib/map: make concrete `Map.keys` and `Map.values` lazy

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

diff --git a/lib/standard/collection/array.nit b/lib/standard/collection/array.nit
index 1fb8581..253dd9e 100644
--- a/lib/standard/collection/array.nit
+++ b/lib/standard/collection/array.nit
@@ -618,8 +618,8 @@ class ArrayMap[K, E]
 		end
 	end
 
-	redef var keys: RemovableCollection[K] = new ArrayMapKeys[K, E](self)
-	redef var values: RemovableCollection[E] = new ArrayMapValues[K, E](self)
+	redef var keys: RemovableCollection[K] = new ArrayMapKeys[K, E](self) is lazy
+	redef var values: RemovableCollection[E] = new ArrayMapValues[K, E](self) is lazy
 
 	# O(1)
 	redef fun length do return _items.length
diff --git a/lib/standard/collection/hash_collection.nit b/lib/standard/collection/hash_collection.nit
index cdc7906..e5ff507 100644
--- a/lib/standard/collection/hash_collection.nit
+++ b/lib/standard/collection/hash_collection.nit
@@ -272,8 +272,8 @@ class HashMap[K, V]
 		enlarge(0)
 	end
 
-	redef var keys: RemovableCollection[K] = new HashMapKeys[K, V](self)
-	redef var values: RemovableCollection[V] = new HashMapValues[K, V](self)
+	redef var keys: RemovableCollection[K] = new HashMapKeys[K, V](self) is lazy
+	redef var values: RemovableCollection[V] = new HashMapValues[K, V](self) is lazy
 	redef fun has_key(k) do return node_at(k) != null
 end