lib: add Set::union and Set::intersection from pep8analysis

[nit.git] / lib / standard / collection / array.nit

diff --git a/lib/standard/collection/array.nit b/lib/standard/collection/array.nit
index 5de71cd..8c3fe46 100644 (file)
--- a/lib/standard/collection/array.nit
+++ b/lib/standard/collection/array.nit
@@ -424,6 +424,8 @@ class ArraySet[E: Object]
 
        # Create an empty set with a given capacity.
        init with_capacity(i: Int) do _array = new Array[E].with_capacity(i)
+
+       redef fun new_set do return new ArraySet[E]
 end
 
 # Iterators on sets implemented with arrays.