A silly container

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BSD2 licensed by Matvey Aksenov


Hackage Build Status

A Map-like structure that contains up to one key-value pair


  • Compatibility with ghc-8.4.3

  • Compatibility with latest lens

  • Fixed Show instance

  • Added intersection* functions

  • Added Apply instance

  • Bifunctor, Biapply, Bifoldable, Bitraversable

  • Initial release
Depends on 5 packages:
Used by 1 package:
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