function (...) endIf the declaration has any keywords inside the parentheses (like "function(str,last)"), the function works like it starts with this:
local str, last = ...As such, function calls never care about what arguments a function is supposed to take, because arguments are part of the function, not part of the call. -----Original Message----- From: Steve Litt Sent: Thursday, February 03, 2011 P9:26 Newsgroups: gmane.comp.lang.lua.general
To: Lua mailing list Subject: Re: Why does this work? On Friday 04 February 2011 00:04:46 Geoff Leyland wrote:
On 4/02/2011, at 5:56 PM, Steve Litt wrote: > Thanks Geoff, > > I think it does help. So I define my new function print() as taking > argument str, so obviously when the program is run str is "Hello World". > Then I pass that str to oldprint(), which is a reference to print(), > which has already been defined as taking an argument, so no further > definition or declaration needed. > > Does that about sum it up? Yep. "oldprint(), which is a reference to *the original* print()" If none of these functions were called "print" or anything like it, and there weren't languages where print was part of the language and not just a function, I think it'd all be much simpler to understand.
OK, I think I have it. Thanks. SteveT Steve Litt Recession Relief Package http://www.recession-relief.US Twitter: http://www.twitter.com/stevelitt