-- |
-- Module     : Simulation.Aivika.Trans.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.Trans.GPSS.Block.Match
       (matchBlock) where

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

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