Must "attempt to get length of a number value" be an error?
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- Subject: Must "attempt to get length of a number value" be an error?
- From: Dirk Laurie <dirk.laurie@...>
- Date: Tue, 7 May 2019 11:54:49 +0200
Lua 5.3.5 Copyright (C) 1994-2018 Lua.org, PUC-Rio
> #-5
stdin:1: attempt to get length of a number value
stack traceback:
stdin:1: in main chunk
[C]: in ?
> debug.setmetatable(0,{__len=math.abs})
0
> #-5
5