Re: Basic question on weak keys

[Date Prev][Date Next][Thread Prev][Thread Next] [Date Index] [Thread Index]

• Subject: Re: Basic question on weak keys
• From: Peter Cawley <lua@...>
• Date: 2012年6月13日 23:02:24 +0100

---

On Wed, Jun 13, 2012 at 10:59 PM, Andrew Starks <andrew.starks@trms.com> wrote:
> b = nil
> print(a[b])
> --> nil
As `b` is now nil, `a[b]` means `a[nil]`, and as `nil` is never a
valid table key, `a[nil]` will give `nil` for all tables `a`.

---

• Follow-Ups:
  • Re: Basic question on weak keys, Rena

• References:
  • Basic question on weak keys, Andrew Starks

• Prev by Date: Basic question on weak keys
• Next by Date: Re: Arithmetic on strings
• Previous by thread: Basic question on weak keys
• Next by thread: Re: Basic question on weak keys
• Index(es):
  • Date
  • Thread