Mercurial > urweb

annotate lib/ur/option.urs @ 2280:985c8016b592

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge.
author Ziv Scully <ziv@mit.edu>
date Thu, 12 Nov 2015 08:46:51 -0500
parents 36428d853c97
children
rev   line source
adamc@841 1 datatype t = datatype Basis.option
adamc@841 2
adam@1544 3 val monad : monad t
adam@1544 4
adamc@846 5 val eq : a ::: Type -> eq a -> eq (t a)
adamc@961 6 val ord : a ::: Type -> ord a -> ord (t a)
adamc@846 7
adamc@944 8 val isNone : a ::: Type -> t a -> bool
adamc@841 9 val isSome : a ::: Type -> t a -> bool
adamc@844 10
adamc@844 11 val mp : a ::: Type -> b ::: Type -> (a -> b) -> t a -> t b
adamc@846 12 val bind : a ::: Type -> b ::: Type -> (a -> option b) -> t a -> t b
adamc@1068 13
adamc@1068 14 val get : a ::: Type -> a -> option a -> a
mad@1831 15 val unsafeGet : a ::: Type -> option a -> a