Re: The problem with or and false

Subject: Re: The problem with or and false
From: Gavin Kistner &lt;gavin@<a href="/index.cgi/larger-text/http://lua-users.org/cgi-bin/echo.cgi?refinery.com">... &gt;
Date: 2006年3月29日 23:09:50 -0700

On Mar 29, 2006, at 11:10 AM, Alexander Gladysh wrote:

return A[k] or B[k] or C[k] or error("Not found" .. k)

How about:

return A[k]~=nil and A[k] or B[k]~=nil and B[k] or C[k]~=nil and C[k] or error( "Not Found" .. k )