-- |
-- Module     : Simulation.Aivika.GPSS.Block.Match
-- Copyright  : Copyright (c) 2017, David Sorokin <david.sorokin@gmail.com>
-- License    : BSD3
-- Maintainer : David Sorokin <david.sorokin@gmail.com>
-- Stability  : experimental
-- Tested with: GHC 8.0.2
--
-- This module defines the GPSS block MATCH.
--
module Simulation.Aivika.GPSS.Block.Match
       (matchBlock) where

import Simulation.Aivika
import Simulation.Aivika.GPSS.Block
import Simulation.Aivika.GPSS.MatchChain
import Simulation.Aivika.GPSS.Transact

-- | This is an analog of the GPSS construct
--
-- @MATCH A@
matchBlock :: MatchChain
              -- ^ the corresponding match chain
              -> Block (Transact a) (Transact a)
matchBlock :: forall a. MatchChain -> Block (Transact a) (Transact a)
matchBlock MatchChain
chain =
  Block { blockProcess :: Transact a -> Process (Transact a)
blockProcess = \Transact a
a -> forall a. MatchChain -> Transact a -> Process ()
matchTransact MatchChain
chain Transact a
a forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> forall (m :: * -> *) a. Monad m => a -> m a
return Transact a
a }