| Safe Haskell | Safe |
|---|---|
| Language | Haskell2010 |
Since: 4.6.0.0
class IP x a | x -> a where Source
The syntax ?x :: a is desugared into IP "x" a
© The University of Glasgow and others
Licensed under a BSD-style license (see top of the page).
https://downloads.haskell.org/~ghc/7.10.3/docs/html/libraries/base-4.8.2.0/GHC-IP.html