Re: string.len(str) vs str:len()

[Mason Mackaman <masondeanm@...>]

AHHH! but I thought the only thing the metatable did was tell Lua to get _ENV.string whenever you try to index ’str’!? Sorry if I’m being annoying, I’m just trying to understand.
On Aug 7, 2014, at 11:52 AM, Coda Highland <chighland@gmail.com> wrote:

> On Thu, Aug 7, 2014 at 9:47 AM, Mason Mackaman <masondeanm@aol.com> wrote:
>> I think the reason I’m still confused is I’m not understanding how this works. I figured when you do str:len(), you still have to access the global ‘string’ table, because that’s what the __index metamethod is for ‘str’s metatable. In which case it would be more work. Are you saying str:len() retrieves the ‘len' function without having to get _ENV.table?
> 
> That's exactly what's being said here. Going from str to str's
> metatable doesn't involve any external lookups at all.
> 
> /s/ Adam
>