From: Alexander Gladysh <agladysh@gmail.com>
Date: Sat, 24 Jan 2009 22:21:24 +0000 (+0300)
Subject: handling io.open() errors in weaver sample
X-Git-Url: https://git.lizzy.rs/?a=commitdiff_plain;h=91b128e59012368f1c5a3970d5c63a73d3810e2f;p=metalua.git

handling io.open() errors in weaver sample
---

diff --git a/src/samples/weaver.mlua b/src/samples/weaver.mlua
index 202d003..3820e06 100644
--- a/src/samples/weaver.mlua
+++ b/src/samples/weaver.mlua
@@ -82,7 +82,7 @@ end
 
 -- Get the source. If none is given, use itself as an example. --
 local filename = arg[2] or arg[1] or arg[0]
-local f = io.open (filename, 'r')
+local f = assert (io.open (filename, 'r'))
 local src = f:read '*a'
 f:close()