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diff default_arg.m @ 0:48b6fb693025

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Initial commit.
author Jonatan Werpers <jonatan@werpers.com>
date Thu, 17 Sep 2015 10:12:50 +0200
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/default_arg.m	Thu Sep 17 10:12:50 2015 +0200
@@ -0,0 +1,5 @@
+function default_arg(s, val)
+    if evalin('caller',sprintf('~exist(''%s'',''var'') || isempty(%s)',s,s))
+        assignin('caller',s,val)
+    end
+end