Version française
Home     About     Download     Resources     Contact us    

This site is updated infrequently. For up-to-date information, please visit the new OCaml website at

Browse thread
Existential types
[ Home ] [ Index: by date | by threads ]
[ Search: ]

[ Message by date: previous | next ] [ Message in thread: previous | next ] [ Thread: previous | next ]
Date: 2005-09-04 (19:43)
From: Lukasz Stafiniak <lukstafi@g...>
Subject: Existential types

I use an abstract type and a one-way typecast operator to implement
existential quantification; e. g.

type 'a t
type unknown_t
let some (v : 'a t) = ((Obj.magic v) : unknown_t t)


Best Regards,