Re: what's wrong with this loop syntax?

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• Subject: Re: what's wrong with this loop syntax?
• From: "Michael Newberry" <mnewberry@...>
• Date: Mon, 8 Jan 2007 16:25:08 -0700

---

Yeah! That's what I want. It is beautiful.
Thank you!
Michael

----- Original Message ----- From: "Bret Victor" <bret@ugcs.caltech.edu>

To: <lua@bazar2.conectiva.com.br>
Sent: Monday, January 08, 2007 3:24 PM
Subject: Re: what's wrong with this loop syntax?

Shmuel Zeigerman <shmuz <at> actcom.co.il> writes:

local function strings(S)
 return function() return S:Next() end
end
for str in strings(S) do
 -- [code]
end

Or better yet:
 for str in S.Next, S do
 -- [code]
 end
This assumes that the function S.Next doesn't change during
the iteration, which is a pretty safe bet.

---

• References:
  • userdata as table keys, Erik Cassel
  • what's wrong with this loop syntax?, Michael Newberry
  • Re: what's wrong with this loop syntax?, Rafael de Menezes
  • Re: what's wrong with this loop syntax?, Michael Newberry
  • Re: what's wrong with this loop syntax?, Luiz Henrique de Figueiredo
  • Re: what's wrong with this loop syntax?, Michael Newberry
  • Re: what's wrong with this loop syntax?, Shmuel Zeigerman
  • Re: what's wrong with this loop syntax?, Bret Victor

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