Re: [ANN] Lua 5.4.0 (work1) now available
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- Subject: Re: [ANN] Lua 5.4.0 (work1) now available
- From: Petri Häkkinen <petrih3@...>
- Date: 2018年3月14日 21:52:45 +0200
On 14 Mar 2018, at 20.59, Roberto Ierusalimschy <roberto@inf.puc-rio.br> wrote:
> The proposed syntax would allow programs written for 5.4 to run on 5.3
> without changes
Is this really so important? For example, you can’t run programs with ”goto” on earlier versions of Lua that didn’t have it.
Since you’re already adding a new keyword (disallowing its use as a global var name which can break some programs), adding a new syntax for it shouldn’t hurt much more.
The fact that ”undef” looks like a value when it’s not seems to be very confusing to many people...
Petri