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Message-ID: <4a708d20507311847380538ae@mail.gmail.com>
Date: Mon, 1 Aug 2005 03:47:43 +0200
From: Lukasz Stafiniak <lukstafi@gmail.com>
Reply-To: Lukasz Stafiniak <lukstafi@gmail.com>
To: caml-list@yquem.inria.fr
Subject: Local "open", or open locally
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Dear list,

What about a construct for opening modules locally in an expression? For ex=
ample

module SomeModule =3D struct let x =3D 5 end
module SomeOtherModule =3D struct let y =3D 7 end

let z =3D open SomeModule and SomeOtherModule in x + y + x*y

It can currently be expressed as:

let z =3D module XY =3D struct open SomeModule open SomeOtherModule
  let z =3D x + y + x*y end in XY.z

Perhaps it could be considered as a language extension. It seems nice
as it "catches the focus". (I'm going to use it with Camlp4 but it
seems uglier that way.)

I wouldn't buy it for my kidney, though. ;)

Best Regards,
Lukasz Stafiniak