Distribution.Backpack.ModuleShape

Cabal-2.2.0.0: A framework for packaging Haskell software

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

Eq ModuleShape Source # |
Instance details Methods (==) :: ModuleShape -> ModuleShape -> Bool # (/=) :: ModuleShape -> ModuleShape -> Bool #
Show ModuleShape Source # |
Instance details Methods showsPrec :: Int -> ModuleShape -> ShowS Source # show :: ModuleShape -> String Source # showList :: [ModuleShape] -> ShowS Source #
Generic ModuleShape Source # |
Instance details Associated Types type Rep ModuleShape :: * -> * Source # Methods from :: ModuleShape -> Rep ModuleShape x Source # to :: Rep ModuleShape x -> ModuleShape Source #
Binary ModuleShape Source # |
Instance details Methods put :: ModuleShape -> Put Source # get :: Get ModuleShape Source # putList :: [ModuleShape] -> Put Source #
ModSubst ModuleShape Source # |
Instance details Methods modSubst :: OpenModuleSubst -> ModuleShape -> ModuleShape Source #
type Rep ModuleShape Source # |
Instance details type Rep ModuleShape = D1 (MetaData "ModuleShape" "Distribution.Backpack.ModuleShape" "Cabal-2.2.0.0" 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 #