Re: syntactic sugar for imports and exports

[Daurnimator <quae@...>]

On 20 October 2011 10:30, Petite Abeille <petite.abeille@gmail.com> wrote:
>
> What about something along these lines:
>
> local function import( aName, ... )
>  local aModule = require( aName )
>  local aFunction = debug.getinfo( 2, 'f' ).func
>  local _, anEnvironement = debug.getupvalue( aFunction, 1 )
>
>  for anIndex = 1, select( '#', ... ) do
>    local aName = select( anIndex, ... )
>    anEnvironement[ aName ] = aModule[ aName ]
>  end
> end
>
> import( 'math', 'min', 'max' )
>
> print( min )
> print( max )
>
>> function: 0x10001af60
>> function: 0x10001aee0
>
>

That isn't equivalent; we like to have the functions as locals:

local max , min = math.min , math.max

you can't make a function of it, because you can't create/add locals
in the current point in lua evolution.