lib: fix ArrayMap::first

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

diff --git a/lib/standard/collection/array.nit b/lib/standard/collection/array.nit
index fa99224..19aa65d 100644 (file)
--- a/lib/standard/collection/array.nit
+++ b/lib/standard/collection/array.nit
@@ -522,7 +522,7 @@ special CoupleMap[K, E]
        # O(1)
        redef fun length do return _items.length
 
-       redef fun first do return _items.first.first
+       redef fun first do return _items.first.second
 
        # O(n)
        redef fun count(item)