Re: Colon notation in object-oriented programming
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- Subject: Re: Colon notation in object-oriented programming
- From: Dirk Laurie <dirk.laurie@...>
- Date: Sun, 5 Mar 2017 20:21:32 +0200
2017年03月05日 19:51 GMT+02:00 Francisco Olarte <folarte@peoplecall.com>:
> I'm used to languages which separate 'methods' and data, like C++ (
> which, both being statically typed can do the proper thing with the
> dot depending on the decl ) or even perl ( where you do
> $obj->method(...) or $obj->{function}->(...) ), and it bites me every
> single day. I alleviate it by grepping periodically on the source (
> for '\w+\.\w+\(' ) and stashing the rarely used function call in
> locals ( obj:method(), but local f=obj.func; f(...) ), but is one of
> the major pains I encounter when doing moderately complex code in lua.
I do the following:
1. Only data goes in the object table itself.
2. Methods go into the __index metamethod. No harm in tables
having their own metatable.
Another trick is to have a habit to start method names with a single
underscore, but personally I don't always do that.