lua-users-stdlib

[Lua-users-stdlib] bug in pickle, suggestions

[Johann H. <jhi...@ya...>]

function pickle (x)
...
     return format ("%q", x)
--

That should be "string.format", I believe.

I'd suggest:

function round(x, n_digits)
   local p_10 = 10 ^ n_digits
   return math.floor(x * p_10 + 0.5) / p_10
end

as well as second the trim, rtrim, ltrim, and join functions for 
inclusion eventually.

It's been a while since I've used lua heavily, so we'll just have to 
wait and see what I come up with.

I've written implementations for most of the Common Lisp sequence 
functions, using a final table argument to pass the keyword arguments, 
if anyone is interested.

-Johann

Re: [Lua-users-stdlib] bug in pickle, suggestions

[Reuben T. <rr...@sc...>]

> function pickle (x)
> ...
>      return format ("%q", x)
> --
>
> That should be "string.format", I believe.

Indeed. Another one I haven't tested since moving to Lua 5.

> function round(x, n_digits)
>    local p_10 = 10 ^ n_digits
>    return math.floor(x * p_10 + 0.5) / p_10
> end

Great.

> as well as second the trim, rtrim, ltrim, and join functions for
> inclusion eventually.

Noted.

> I've written implementations for most of the Common Lisp sequence
> functions, using a final table argument to pass the keyword arguments,
> if anyone is interested.

I suspect that would be good, but to be really good it would be integrated
with the existing list and table functions.

In general I don't want to just amass a whole pile of code, but a small
pile with rich functionality.

-- 
http://www.mupsych.org/~rrt/ | certain, a.  insufficiently analysed