From d930e3f2fa154aaee68a43b1ee13fb902624ffef Mon Sep 17 00:00:00 2001
From: Thomas Geymayer <tomgey@gmail.com>
Date: Tue, 23 Dec 2014 14:40:29 +0100
Subject: [PATCH] Nasal: std.Vector: add 'contains' method (by onox).

---
 Nasal/std/Vector.nas      | 9 +++++++++
 Nasal/std/Vector.nas.test | 4 ++++
 2 files changed, 13 insertions(+)

diff --git a/Nasal/std/Vector.nas b/Nasal/std/Vector.nas
index 2b81dbb49..ac93aaa71 100644
--- a/Nasal/std/Vector.nas
+++ b/Nasal/std/Vector.nas
@@ -120,6 +120,15 @@ var Vector = {
         die("ValueError: item not in the vector");
     },
 
+    contains: func (item) {
+        # Return true if the vector contains the item, false otherwise
+
+        var err = [];
+        call(Vector.index, [item], me, err);
+
+        return size(err) == 0;
+    },
+
     remove: func (item) {
         # Remove the first occurrence of the given item. Raises a
         # ValueError if the item is not present in the vector.
diff --git a/Nasal/std/Vector.nas.test b/Nasal/std/Vector.nas.test
index 78dc257e3..0f590324d 100644
--- a/Nasal/std/Vector.nas.test
+++ b/Nasal/std/Vector.nas.test
@@ -108,6 +108,10 @@ REQUIRE_EQUAL(x.size(), 4);
 # index():
 REQUIRE_EQUAL(x.index("c"), 2);
 
+# contains():
+REQUIRE_EQUAL(x.contains("c"), 1);
+REQUIRE_EQUAL(x.contains("e"), 0);
+
 # remove():
 x.remove("c");
 REQUIRE_EQUAL(x.vector, ["a", "b", "d"]);