Safe Haskell	None
Language	Haskell2010

Distribution.Backpack.ModuleShape

Contents

Module shapes

Description

See https://github.com/ezyang/ghc-proposals/blob/backpack/proposals/0000-backpack.rst

Synopsis

data ModuleShape = ModuleShape {
- modShapeProvides :: OpenModuleSubst
- modShapeRequires :: Set ModuleName
}
emptyModuleShape :: ModuleShape
shapeInstalledPackage :: InstalledPackageInfo -> ModuleShape

Module shapes

data ModuleShape Source #

A ModuleShape describes the provisions and requirements of a library. We can extract a ModuleShape from an InstalledPackageInfo.

Constructors

ModuleShape
Fields modShapeProvides :: OpenModuleSubst modShapeRequires :: Set ModuleName

Instances

Instances details

Eq ModuleShape Source #
Instance details Defined in Distribution.Backpack.ModuleShape Methods (==) :: ModuleShape -> ModuleShape -> Bool # (/=) :: ModuleShape -> ModuleShape -> Bool #
Show ModuleShape Source #
Instance details Defined in Distribution.Backpack.ModuleShape Methods showsPrec :: Int -> ModuleShape -> ShowS Source # show :: ModuleShape -> String Source # showList :: [ModuleShape] -> ShowS Source #
Generic ModuleShape Source #
Instance details Defined in Distribution.Backpack.ModuleShape Associated Types type Rep ModuleShape :: Type -> Type Source # Methods from :: ModuleShape -> Rep ModuleShape x Source # to :: Rep ModuleShape x -> ModuleShape Source #
Binary ModuleShape Source #
Instance details Defined in Distribution.Backpack.ModuleShape Methods put :: ModuleShape -> Put Source # get :: Get ModuleShape Source # putList :: [ModuleShape] -> Put Source #
ModSubst ModuleShape Source #
Instance details Defined in Distribution.Backpack.ModuleShape Methods modSubst :: OpenModuleSubst -> ModuleShape -> ModuleShape Source #
type Rep ModuleShape Source #
Instance details Defined in Distribution.Backpack.ModuleShape type Rep ModuleShape = D1 (MetaData "ModuleShape" "Distribution.Backpack.ModuleShape" "Cabal-2.4.0.1" False) (C1 (MetaCons "ModuleShape" PrefixI True) (S1 (MetaSel (Just "modShapeProvides") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 OpenModuleSubst) :*: S1 (MetaSel (Just "modShapeRequires") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Set ModuleName))))

emptyModuleShape :: ModuleShape Source #

The default module shape, with no provisions and no requirements.

shapeInstalledPackage :: InstalledPackageInfo -> ModuleShape Source #