Re: table.len

["Soni L." <fakedme@...>]

On 07/08/16 12:59 PM, Philipp Janda wrote:
> Am 07.08.2016 um 17:41 schröbte Soni L.:
> > How about
> >
> > table.len = function(t)
> >   assert(type(t) == "table", "bad argument #1 to 'len' (table expected,
> > got "..type(t)..")")
> >   return #t
> > end
>
> Most of the table library now can work on userdata with suitable 
> `__index`/`__newindex`/`__len` metamethods defined, so this seems like 
> a step in the wrong direction. Maybe we should get rid of (or 
> deprecate) `string.len` instead. It is superfluous since we have the 
> length operator.
>
> Philipp
Perhaps the table library should be renamed.

string.len does type checking.

Also the # operator is stupid.[1]

[1]: http://sprunge.us/NBFO (Not counting that if len was a function 
instead of an operator, we'd be able to replace len algorithm on-the-fly.)

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