GHC 5.02.2: ghci type-reporting "error"

[Simon Peyton-Jones]

This won't happen in 5.03 because of its better treatment of
rank-N types.

Simon

| -----Original Message-----
| From: Keith Wansbrough [mailto:Keith.Wansbrough at cl.cam.ac.uk] 
| Sent: 08 March 2002 16:13
| To: glasgow-haskell-bugs at haskell.org
| Subject: GHC 5.02.2: ghci type-reporting "error"
| 
| 
| I get the following error when asking for the type of `build' 
| in ghci, 
| 5.02.2.  This still happens, with or without -fglasgow-exts.
| 
| astrocyte:compiler$ ghci 
|    ___         ___ _
|   / _ \ /\  /\/ __(_)
|  / /_\// /_/ / /  | |      GHC Interactive, version 5.02.2, 
| for Haskell 
| 98.
| / /_\\/ __  / /___| |      http://www.haskell.org/ghc/
| \____/\/ /_/\____/|_|      Type :? for help.
| 
| Loading package std ... linking ... done.
| Prelude> :t PrelBase.build
| 
| Illegal use of `PrelBase.build'
|     It is applied to too few arguments
|     so that the result type has for-alls in it: (forall b.
|                                                  (a -> b -> 
| b) -> b -> 
| b)
|                                                 -> [a]
| Prelude>
| 
| --KW 8-)
| -- 
| Keith Wansbrough <kw217 at cl.cam.ac.uk> 
| http://www.cl.cam.ac.uk/users/kw217/
| University of Cambridge 
| Computer Laboratory.
| 
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