author | blanchet |
Mon, 07 Jan 2013 19:15:01 +0100 | |
changeset 50758 | 26936f4ae087 |
parent 39502 | cffceed8e7fa |
child 72004 | 913162a47d9f |
permissions | -rw-r--r-- |
(* ========================================================================= *) (* SUPPORT FOR LAZY EVALUATION *) (* Copyright (c) 2007 Joe Hurd, distributed under the BSD License *) (* ========================================================================= *) signature Lazy = sig type 'a lazy val quickly : 'a -> 'a lazy val delay : (unit -> 'a) -> 'a lazy val force : 'a lazy -> 'a val memoize : (unit -> 'a) -> unit -> 'a end