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annotate lib/ur/option.urs @ 876:025806b3c014

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Demo compiles again with Postgres and MySQL; MySQL version lacks sequence code and so doesn't work yet
author Adam Chlipala <adamc@hcoop.net>
date Sun, 12 Jul 2009 16:09:54 -0400
parents 0d30e6338c65
children da3ec6014d2f
rev   line source
adamc@841 1 datatype t = datatype Basis.option
adamc@841 2
adamc@846 3 val eq : a ::: Type -> eq a -> eq (t a)
adamc@846 4
adamc@841 5 val isSome : a ::: Type -> t a -> bool
adamc@844 6
adamc@844 7 val mp : a ::: Type -> b ::: Type -> (a -> b) -> t a -> t b
adamc@846 8 val bind : a ::: Type -> b ::: Type -> (a -> option b) -> t a -> t b