-- |
-- Module     : Simulation.Aivika.GPSS.Block.Gather
-- 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 GATHER.
--
module Simulation.Aivika.GPSS.Block.Gather
       (gatherBlock) where

import Simulation.Aivika
import Simulation.Aivika.GPSS.Block
import Simulation.Aivika.GPSS.AssemblySet
import Simulation.Aivika.GPSS.Transact

-- | This is the GPSS construct
--
-- @GATHER A@
gatherBlock :: Int
               -- ^ the number of transacts to gather
               -> Block (Transact a) (Transact a)
gatherBlock :: forall a. Int -> Block (Transact a) (Transact a)
gatherBlock Int
n =
  Block { blockProcess :: Transact a -> Process (Transact a)
blockProcess = \Transact a
a -> forall a. Transact a -> Int -> Process ()
gatherTransacts Transact a
a Int
n forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> forall (m :: * -> *) a. Monad m => a -> m a
return Transact a
a }