Safe Haskell	Safe-Inferred
Language	Haskell98

Test.IOSpec

Contents

The specifications
The basic types
The virtual machine

Synopsis

module Test.IOSpec.Fork
module Test.IOSpec.MVar
module Test.IOSpec.IORef
module Test.IOSpec.STM
module Test.IOSpec.Teletype
class (Functor sub, Functor sup) => sub :<: sup
data (f :+: g) x
- = Inl (f x)
- | Inr (g x)
data IOSpec f a
inject :: g :<: f => g (IOSpec f a) -> IOSpec f a
module Test.IOSpec.VirtualMachine

The specifications

module Test.IOSpec.Fork

module Test.IOSpec.MVar

module Test.IOSpec.IORef

module Test.IOSpec.STM

module Test.IOSpec.Teletype

The basic types

class (Functor sub, Functor sup) => sub :<: sup Source #

The (:<:) class

Minimal complete definition

inj

Instances

Instances details

Functor f => f :<: f Source #
Instance details Defined in Test.IOSpec.Types Methods inj :: f a -> f a
(Functor f, Functor g) => f :<: (f :+: g) Source #
Instance details Defined in Test.IOSpec.Types Methods inj :: f a -> (f :+: g) a
(f :<: g, Functor f, Functor g, Functor h) => f :<: (h :+: g) Source #
Instance details Defined in Test.IOSpec.Types Methods inj :: f a -> (h :+: g) a

data (f :+: g) x infixr 5 Source #

The coproduct of functors

Constructors

Inl (f x)
Inr (g x)

Instances

Instances details

(Functor f, Functor g) => f :<: (f :+: g) Source #
Instance details Defined in Test.IOSpec.Types Methods inj :: f a -> (f :+: g) a
(f :<: g, Functor f, Functor g, Functor h) => f :<: (h :+: g) Source #
Instance details Defined in Test.IOSpec.Types Methods inj :: f a -> (h :+: g) a
(Executable f, Executable g) => Executable (f :+: g) Source #
Instance details Defined in Test.IOSpec.VirtualMachine Methods step :: (f :+: g) a -> VM (Step a) Source #
(Functor f, Functor g) => Functor (f :+: g) Source #
Instance details Defined in Test.IOSpec.Types Methods fmap :: (a -> b) -> (f :+: g) a -> (f :+: g) b # (<$) :: a -> (f :+: g) b -> (f :+: g) a #

data IOSpec f a Source #

A value of type IOSpec f a is either a pure value of type a or some effect, determined by f. Crucially, IOSpec f is a monad, provided f is a functor.

Instances

Instances details

Functor f => Applicative (IOSpec f) Source #
Instance details Defined in Test.IOSpec.Types Methods pure :: a -> IOSpec f a # (<>) :: IOSpec f (a -> b) -> IOSpec f a -> IOSpec f b # liftA2 :: (a -> b -> c) -> IOSpec f a -> IOSpec f b -> IOSpec f c # (>) :: IOSpec f a -> IOSpec f b -> IOSpec f b # (<*) :: IOSpec f a -> IOSpec f b -> IOSpec f a #
Functor f => Functor (IOSpec f) Source #
Instance details Defined in Test.IOSpec.Types Methods fmap :: (a -> b) -> IOSpec f a -> IOSpec f b # (<$) :: a -> IOSpec f b -> IOSpec f a #
Functor f => Monad (IOSpec f) Source #
Instance details Defined in Test.IOSpec.Types Methods (>>=) :: IOSpec f a -> (a -> IOSpec f b) -> IOSpec f b # (>>) :: IOSpec f a -> IOSpec f b -> IOSpec f b # return :: a -> IOSpec f a #

inject :: g :<: f => g (IOSpec f a) -> IOSpec f a Source #

The virtual machine

module Test.IOSpec.VirtualMachine