Safe Haskell	Safe-Inferred
Language	Haskell2010

Control.Process.FD

Synopsis

Documentation

type FD = CInt #

class GetFD a where Source #

Type class for values that can be viewed as an FD.

>>> view getFD (3 :: FD)
3

Minimal complete definition

Methods

Instances details

GetFD FD Source #	`>>>` `view getFD (3 :: FD)`3 `>>>` `view getFDInt32 (3 :: FD)`3
Instance details Defined in Control.Process.FD Methods getFD :: Getter FD FD Source # getFDInt32 :: Getter FD Int32 Source #

class GetFD a => HasFD a where Source #

Type class for values with a lens into an FD.

>>> view fd (3 :: FD)
3

Minimal complete definition

Methods

Instances details

HasFD FD Source #	`>>>` `view fd (3 :: FD)`3 `>>>` `view fdInt32 (3 :: FD)`3 `>>>` `set fdInt32 7 (3 :: FD)`7
Instance details Defined in Control.Process.FD Methods fd :: Lens' FD FD Source # fdInt32 :: Lens' FD Int32 Source #

class ReviewFD a where Source #

Type class for values that can be constructed from an FD.

>>> review reviewFD (3 :: FD) :: FD
3

Minimal complete definition

Methods

Instances details

ReviewFD FD Source #	`>>>` `review reviewFD (3 :: FD) :: FD`3 `>>>` `review reviewFDInt32 7 :: FD`7
Instance details Defined in Control.Process.FD Methods reviewFD :: Review FD FD Source # reviewFDInt32 :: Review FD Int32 Source #

class ReviewFD a => AsFD a where Source #

Type class for values with a prism into an FD.

>>> preview _FD (3 :: FD)
Just 3

Minimal complete definition

Methods

Instances details

AsFD FD Source #	`>>>` `preview _FD (3 :: FD)`Just 3 `>>>` `preview _FDInt32 (3 :: FD)`Just 3 `>>>` `review _FDInt32 7 :: FD`7
Instance details Defined in Control.Process.FD Methods _FD :: Prism' FD FD Source # _FDInt32 :: Prism' FD Int32 Source #