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GHC 9.10.3 · lts/ghc-9.10.x · 248f8f0 · 2026-10-05

ModuleCabal-syntax-3.12.1.0Haskell2010

Distribution.Types.InstalledPackageInfo

  • 3 types
  • 3 values
datadata InstalledPackageInfo
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Instances14Eq, Read, Show, Generic, NFData, Binary, …
datadata AbiDependency
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An ABI dependency is a dependency on a library which also records the ABI hash (abiHash) of the library it depends on.

The primary utility of this is to enable an extra sanity when GHC loads libraries: it can check if the dependency has a matching ABI and if not, refuse to load this library. This information is critical if we are shadowing libraries; differences in the ABI hash let us know what packages get shadowed by the new version of a package.

Instances10Eq, Read, Show, Generic, NFData, Binary, …
datadata ExposedModule
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Instances11Eq, Read, Show, Generic, NFData, Binary, …