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It does raise the question of whether

 type(...)

should return a value?

db

On 1/12/07, jason zhang <jzhang@sunrisetelecom.com.cn> wrote:



function ::= function funcbody
 funcbody ::= `(´ [parlist1] `)´ block end
parlist1 ::= namelist [`,´ `...´] | `...´

... means vararg function.



----- Original Message -----
From: wj
To: lua@bazar2.conectiva.com.br
Sent: Friday, January 12, 2007 1:24 PM
Subject: '...' is a variable,who can explain


look at this code:

--codes begin

function joinFunc(f1,f2)
  return function (...)
           return f1(f2(...)) --...treated as a variable! is it maze!
   end
end

f1 = joinFunc(print,math.abs)

f1(-2) --out:2

--codes end

why the