6 Jul 2012 19:58
ANNOUNCE: lens-family 0.0.0
<roconnor <at> theorem.ca>
2012-07-06 17:58:36 GMT
2012-07-06 17:58:36 GMT
I'm pleased to announce the first release of lens-family-core and lens-family. This package provide first class(†) functional references. In addition to the usual operations of getting, setting and composition, plus integration with the state monad, lens families provide some unique features: * Polymorphic updating * Cast projection functions to read-only lenses * Cast semantic editor combinators to modify-only lenses (†) For optimal first-class support use the lens-family package with rank 2 / rank N polymorphism. Lens.Family.Clone allows for first-class support of lenses for those who require Haskell 98. -- -- Russell O'Connor <http://r6.ca/> ``All talk about `theft,''' the general counsel of the American Graphophone Company wrote, ``is the merest claptrap, for there exists no property in ideas musical, literary or artistic, except as defined by statute.''
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