Mercurial > urweb
view tests/monadTest.ur @ 2160:72fe1cc704c5
Tag NULLs with their types in SQL, to help the DBMS do type inference
author | Adam Chlipala <adam@chlipala.net> |
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date | Sat, 04 Jul 2015 19:24:26 -0400 |
parents | a613cae954ca |
children |
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val x : transaction int = Monad.liftM2 plus (return 1) (return 2) val x : transaction xbody = List.mapXiM (fn i x => return <xml><li>{[i]} = {[x]}</li></xml>) (1 :: 2 :: [])