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0.9.6 [2024.12.04]

  • Require building with GHC 8.0 or later.

0.9.5 [2023.08.08]

  • Remove a use of the partial tail function within intern.

0.9.4 [2021.02.17]

  • Export identity from Data.Interned.IntSet.

0.9.3 [2020.09.30]

  • Add Hashable instances for InternedString, InternedByteString, InternedText, and IntSet.

0.9.2

  • Add a Semigroup IntSet instance.

0.9

  • Removed identity from the Interned class, to support applications where the identity is obtained by other means (e.g. a unique Ptr value)

0.8

  • Disabled cache removal as it was causing problems on large data sets. There is no good way to ensure that both references remain alive long enough to finish comparisons.
  • Switched to IORef from MVar

0.7

  • Fixed problem where comparisons could happen between data structures while one was still a thunk, leading to equal structures comparing as inequal in limited circumstances, by appropriately using strictness annotations.

0.6

  • Widened the caches so they don't go through a single MVar per type. This has made a dramatic impact on performance. However, this broke the previous invariant that newer entries always had higher Ids than older entries.

0.5.2

  • Added Data.Interned.IntSet