[Agda] Re: Replacement of 'as' in module statements?
Andreas Abel
andreas.abel at ifi.lmu.de
Fri Oct 19 02:06:19 CEST 2012
On 18.10.12 5:54 PM, Nils Anders Danielsson wrote:
> On 2012-10-18 17:04, Andreas Abel wrote:
>> Maybe then I should enable the syntax
>>
>> open import M args as M'
>>
>> since I now understand how to implement it:
>>
>> import M as .Fresh
>> module M' = .Fresh args
>
> Did you forget "private"?
Yes.
> I suggest the following translations:
>
> open import M args using/hiding/renaming
>
> ⇒
>
> import M as .Fresh
> private
> open module M = .Fresh args using/hiding/renaming
>
> (One cannot write "open module M = ..." if M is a qualified module
> name, but I think it's still clear what the intention of the code
> above is.)
Naa, here I disagree. M by itself should not be brought into scope
because then you cannot do a
open import M
later.
> open import M args as M′ using/hiding/renaming
>
> ⇒
>
> import M as .Fresh
> private
> open module M′ = .Fresh args using/hiding/renaming
Agreed & implemented.
--
Andreas Abel <>< Du bist der geliebte Mensch.
Theoretical Computer Science, University of Munich
Oettingenstr. 67, D-80538 Munich, GERMANY
andreas.abel at ifi.lmu.de
http://www2.tcs.ifi.lmu.de/~abel/
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