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comparison lib/ur/monad.ur @ 917:321a2d6feb40

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dragList demo working, save for Gecko load delay and highlighting
author Adam Chlipala <adamc@hcoop.net>
date Tue, 08 Sep 2009 10:55:49 -0400
parents 8e540df3294d
children 37dd42935dad
comparison
equal deleted inserted replaced
916:b873feb3eb52 917:321a2d6feb40
5 others <- acc; 5 others <- acc;
6 return ({nm = this} ++ others)) 6 return ({nm = this} ++ others))
7 (return {}) [ts] fd r 7 (return {}) [ts] fd r
8 8
9 fun ignore [m ::: Type -> Type] (_ : monad m) [t] (v : m t) = x <- v; return () 9 fun ignore [m ::: Type -> Type] (_ : monad m) [t] (v : m t) = x <- v; return ()
10
11 fun mp [m] (_ : monad m) [a] [b] f m =
12 v <- m;
13 return (f v)
10 14
11 fun foldR [K] [m] (_ : monad m) [tf :: K -> Type] [tr :: {K} -> Type] 15 fun foldR [K] [m] (_ : monad m) [tf :: K -> Type] [tr :: {K} -> Type]
12 (f : nm :: Name -> t :: K -> rest :: {K} 16 (f : nm :: Name -> t :: K -> rest :: {K}
13 -> [[nm] ~ rest] => 17 -> [[nm] ~ rest] =>
14 tf t -> tr rest -> m (tr ([nm = t] ++ rest))) 18 tf t -> tr rest -> m (tr ([nm = t] ++ rest)))