Re: Syntax and redundancy
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- Subject: Re: Syntax and redundancy
- From: Chris Marrin <chris@...>
- Date: 2005年8月30日 09:47:07 -0700
Adrian Perez wrote:
...
How is that done in Lua? This is both trying to illustrate that C's
for loop has nice flexibility, and trying to understand how you would
do something like this in Lua! I would do it like this:
local l = { }
... fill the list
local p = l
while p ~= nil do
...
p = p.next
end
Any nicer ways?
I propose the following:
local l = { }
... fill the list
for _,value in l do
...
end
Of course, you may also write:
local l = { }
... fill the list
table.foreachi(l, function(_,value) ... end)
But that's not the same. That just iterates over the properties of a
single table. I want a linked list of tables, where each table contains
a 'next' property which refers to the next table in the list. The last
table would have a next value of nil. You could argue that you SHOULD do
it as a single table of properties, but that doesn't illustrate the
example :-)
--
chris marrin ,"",ドル
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"As a general rule,don't solve puzzles that open portals to Hell"'
- References:
- Syntax and redundancy, Gavin Wraith
- Re: Syntax and redundancy, Philippe Lhoste
- Re: Syntax and redundancy, Rob Kendrick
- Re: Syntax and redundancy, David Olofson
- Re: Syntax and redundancy, Rici Lake
- Re: Syntax and redundancy, Aaron Brown
- Re: Syntax and redundancy, Adrian Perez
- Re: Syntax and redundancy, Rici Lake
- Re: Syntax and redundancy, Chris Marrin
- Re: Syntax and redundancy, Adrian Perez