From e11cf1a60b5630d2160cb514effc5eac5fc4d514 Mon Sep 17 00:00:00 2001
From: Alexander Iljin <ajsoft@yandex.ru>
Date: Fri, 13 Jan 2017 23:29:43 +0300
Subject: [PATCH] charts.lines: add x and y aliases

---
 lines/lines.factor | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lines/lines.factor b/lines/lines.factor
index 7dd288944b..864f5caefe 100644
--- a/lines/lines.factor
+++ b/lines/lines.factor
@@ -16,6 +16,9 @@ TUPLE: line < gadget color data ;
 : (line-vertices) ( seq -- vertices )
     concat [ 0.3 + ] float-array{ } map-as ;
 
+ALIAS: x first
+ALIAS: y second
+
 : search-first ( elt seq -- index elt )
     [ first <=> ] with search ;