Control.Monad.Signatures
| Copyright | (c) Ross Paterson 2012 |
|---|---|
| License | BSD-style (see the file LICENSE) |
| Maintainer | [email protected] |
| Stability | experimental |
| Portability | portable |
| Safe Haskell | Safe |
| Language | Haskell98 |
Description
Signatures for monad operations that require specialized lifting.
type CallCC m a b = ((a -> m b) -> m a) -> m a Source
Signature of the callCC operation, introduced in Control.Monad.Trans.Cont.
type Catch e m a = m a -> (e -> m a) -> m a Source
Signature of the catchE operation, introduced in Control.Monad.Trans.Except.
type Listen w m a = m a -> m (a, w) Source
Signature of the listen operation, introduced in Control.Monad.Trans.Writer.
type Pass w m a = m (a, w -> w) -> m a Source
Signature of the pass operation, introduced in Control.Monad.Trans.Writer.
© 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/transformers-0.4.2.0/Control-Monad-Signatures.html