add copy and copyWithout to Collection

uqbar-project · Jul 24, 2019 · 7731850 · 7731850
1 parent a705fe3
commit 7731850
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/org.uqbar.project.wollok.lib/src/wollok/lang.wlk b/org.uqbar.project.wollok.lib/src/wollok/lang.wlk
@@ -768,6 +768,20 @@ class Collection {
 		return copy
 	}
 
+	method copyWith(element) {
+		const copy = self.newInstance()
+		copy.addAll(self)
+		copy.add(element)
+		return copy
+	}
+
+	method copyWithout(element) {
+		const copy = self.newInstance()
+		copy.addAll(self)
+		copy.remove(element)
+		return copy
+	}
+
 	/**
 	 * Answers a new List that contains the elements of self collection 
 	 * sorted by a criteria given by a closure. The closure receives two objects