Re: syntactic sugar for imports and exports

[Mark Hamburg <mark@...>]

On Oct 19, 2011, at 4:30 PM, Petite Abeille wrote:

> 
> On Oct 20, 2011, at 12:40 AM, Tony Finch wrote:
> 
>> The usual proposal to improve the first two is as follows, but I'm trying
>> to find a more general solution.
> 
> 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 populates the environment but what one probably really wants are locals.

Mark