Version française
Home     About     Download     Resources     Contact us    
Browse thread
Polymorphic Variants
[ Home ] [ Index: by date | by threads ]
[ Search: ]

[ Message by date: previous | next ] [ Message in thread: previous | next ] [ Thread: previous | next ]
Date: -- (:)
From: skaller <skaller@u...>
Subject: Re: [Caml-list] Polymorphic Variants
On Tue, 2007-01-16 at 15:23 -0600, Seth J. Fogarty wrote:

> OCaml does not, as far as I know, have any structural typing for
> records.. 

Hmm .. Felix does, and it supports subtyping (by explicit coercion).
So why doesn't Ocaml have it? Yes, it would be "yet another product
type", bringing the total to 4 in Ocaml (tuples, records, structurally
typed records and classes).

Come to think of it .. aren't classes structurally typed records?


-- 
John Skaller <skaller at users dot sf dot net>
Felix, successor to C++: http://felix.sf.net