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Konstantin Zudov 2015-10-11 06:21:02 +03:00
parent a192dcf1d2
commit c43340d40d
1 changed files with 5 additions and 0 deletions
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Stackage/Snapshot/Diff.hs
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@ -18,6 +18,11 @@ type Version = Text
type SnapshotDiff = HashMap PackageName VersionChange type SnapshotDiff = HashMap PackageName VersionChange
-- | Versions of a package as it occurs in the listings provided to `snapshotDiff`.
--
-- Would be represented with `These v1 v2` if the package is present in both listings,
-- otherwise it would be `This v1` if the package is present only in the first listing,
-- or `That v2` if only in the second.
newtype VersionChange = VersionChange { unVersionChange :: These Version Version } newtype VersionChange = VersionChange { unVersionChange :: These Version Version }
changed :: VersionChange -> Bool changed :: VersionChange -> Bool