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|
{-# LANGUAGE Unsafe #-}
{-# LANGUAGE CPP #-}
{-# OPTIONS_HADDOCK hide #-}
-----------------------------------------------------------------------------
-- |
-- Module : Control.Monad.ST.Imp
-- Copyright : (c) The University of Glasgow 2001
-- License : BSD-style (see the file libraries/base/LICENSE)
--
-- Maintainer : libraries@haskell.org
-- Stability : experimental
-- Portability : non-portable (requires universal quantification for runST)
--
-- This library provides support for /strict/ state threads, as
-- described in the PLDI \'94 paper by John Launchbury and Simon Peyton
-- Jones /Lazy Functional State Threads/.
--
-----------------------------------------------------------------------------
-- #hide
module Control.Monad.ST.Imp (
-- * The 'ST' Monad
ST, -- abstract, instance of Functor, Monad, Typeable.
runST,
fixST,
-- * Converting 'ST' to 'IO'
RealWorld, -- abstract
stToIO,
-- * Unsafe operations
unsafeInterleaveST,
unsafeIOToST,
unsafeSTToIO
) where
#include "Typeable.h"
import GHC.ST ( ST, runST, fixST, unsafeInterleaveST )
import GHC.Base ( RealWorld )
import GHC.IO ( stToIO, unsafeIOToST, unsafeSTToIO )
|
