Using one module's functions from another
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- Subject: Using one module's functions from another
- From: Reuben Thomas <rrt@...>
- Date: 2006年3月21日 21:55:19 +0000 (GMT)
Another basic 5.1 module question:
Within:
module "a"
how do I use functions from other modules, e.g. string.find &c.? I can
do
local string = string
module "a"
but this is rather ugly, especially for functions in the top level,
which I then have to treat one at a time:
local require, print = require, print
Also, what if I want to use functions from a module required by the
current one, e.g.
local require = require
module "a"
require "b"
b.foo()
? I don't see how I can do a "local b = b" here, as "b" isn't defined
before I do 'module "a"' in general.
I guess I don't really understand the way that module modifies the
environment yet...
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