The intern package

Efficient hash-consing for arbitrary data types

Changes from 0.5.2 to 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.

Changes from 0.5.1 to 0.5.2

Properties

Versions	0.1, 0.2.0, 0.2.2, 0.2.2.1, 0.3.0, 0.4.0, 0.5.0, 0.5.1, 0.5.1.1, 0.5.2, 0.6, 0.8, 0.8.0.1, 0.9, 0.9.0.1, 0.9.1, 0.9.1.1
Dependencies	array (≥0.3.0.2 & <0.4), base (4.*), bytestring (≥0.9.1 & <0.10), hashable (≥1.1.2 & <1.2), text (≥0.11.1.5 & <0.12), unordered-containers (≥0.1.4 & <0.2)
License	BSD3
Copyright	Copyright (C) 2011 Edward A. Kmett
Author	Edward A. Kmett
Maintainer	Edward A. Kmett <ekmett@gmail.com>
Stability	experimental
Category	Data, Data Structures
Home page	http://github.com/ekmett/intern/
Source repository	git clone git://github.com/ekmett/intern.git
Upload date	Sat Aug 13 05:08:05 UTC 2011
Uploaded by	EdwardKmett
Built on	ghc-7.2