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<title>src/full/Agda/Packaging/Monad.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE GeneralizedNewtypeDeriving #-}</span>
<a name="line-2"></a>
<a name="line-3"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Packaging</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span> <span class='hs-keyword'>where</span>
<a name="line-4"></a>
<a name="line-5"></a><span class='hs-comment'>{-
<a name="line-6"></a> ( module Control.Monad.Reader
<a name="line-7"></a> , AgdaPkg (..)
<a name="line-8"></a> , asksM ) where
<a name="line-9"></a>
<a name="line-10"></a>-- Standard Library Imports
<a name="line-11"></a>import Control.Applicative
<a name="line-12"></a>import Control.Monad.Error
<a name="line-13"></a>import Control.Monad.Reader
<a name="line-14"></a>
<a name="line-15"></a>-- Local Imports
<a name="line-16"></a>import Agda.Packaging.Config
<a name="line-17"></a>
<a name="line-18"></a>--------------------------------------------------------------------------------
<a name="line-19"></a>
<a name="line-20"></a>-- Parametric in `opt' only so that the environment can be decoupled
<a name="line-21"></a>-- from the concrete CLI tool
<a name="line-22"></a>newtype AgdaPkg opt a
<a name="line-23"></a> = AgdaPkg
<a name="line-24"></a> { runAgdaPkg :: ReaderT (AgdaPkgConfig opt) IO a }
<a name="line-25"></a> deriving
<a name="line-26"></a> ( Functor
<a name="line-27"></a> , Monad
<a name="line-28"></a> , MonadError IOError
<a name="line-29"></a> , MonadReader (AgdaPkgConfig opt)
<a name="line-30"></a> , MonadIO )
<a name="line-31"></a>
<a name="line-32"></a>instance Applicative (AgdaPkg opt) where
<a name="line-33"></a> pure = return
<a name="line-34"></a> (<*>) = ap
<a name="line-35"></a>
<a name="line-36"></a>asksM :: (MonadReader r m) => (r -> m a) -> m a
<a name="line-37"></a>asksM = join . asks
<a name="line-38"></a>-}</span>
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