From: Alexandre Terrasa <alexandre@moz-code.org>
Date: Thu, 12 Oct 2017 00:47:50 +0000 (-0400)
Subject: lib/vsm: access to non-existing keys return 0.0
X-Git-Url: http://nitlanguage.org

lib/vsm: access to non-existing keys return 0.0

Signed-off-by: Alexandre Terrasa <alexandre@moz-code.org>
---

diff --git a/lib/vsm/vsm.nit b/lib/vsm/vsm.nit
index 41d5152..8eaeca8 100644
--- a/lib/vsm/vsm.nit
+++ b/lib/vsm/vsm.nit
@@ -72,6 +72,11 @@ class Vector
 		return cos
 	end
 
+	redef fun [](k) do
+		if not has_key(k) then return 0.0
+		return super
+	end
+
 	# The norm of the vector.
 	#
 	# `||x|| = (x1 ** 2 ... + xn ** 2).sqrt`