haskell-nix/hnix-store
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Permit validPaths to use effects

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According to @shlevy, whether or not a rooted path is a valid path is
not an intrinsic property of the rooted path and requires a side effect
to determine, so this change modifies the `StoreEffects` record to
reflect that.
This commit is contained in:
Gabriel Gonzalez 2018-04-29 13:44:35 -07:00
parent 972e2c706f
commit e750f60609
1 changed files with 1 additions and 1 deletions
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hnix-store-core/src/System/Nix/Store.hs
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@ -93,7 +93,7 @@ data StoreEffects rootedPath validPath m =
, -- | Project out the underlying 'rootedPath' from a 'validPath'
fromValidPath :: !(validPath -> rootedPath)
, -- | Which of the given paths are valid?
validPaths :: !(HashSet rootedPath -> HashSet validPath)
validPaths :: !(HashSet rootedPath -> m (HashSet validPath))
, -- | Get the paths that refer to a given path.
referrers :: !(validPath -> m (HashSet Path))
, -- | Get a root to the 'Path'.