projects
/
ghc-hetmet.git
/ blob
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
history
|
raw
|
HEAD
[project @ 2001-01-17 15:11:04 by simonmar]
[ghc-hetmet.git]
/
ghc
/
interpreter
/
test
/
typechecker
/
t014.hs
1
--!!! Leaving out signature in polymorphic recursion
2
3
data Expr a = App (Expr (b -> a)) (Expr b)
4
| K a
5
6
--eval :: Expr a -> a
7
eval (App f x) = (eval f) (eval x)
8
eval (K x) = x