OneTuple

Singleton Tuple

LTS Haskell 24.16:0.4.2@rev:1
Stackage Nightly 2025-10-24:0.4.2@rev:1
Latest on Hackage:0.4.2@rev:1

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BSD-3-Clause licensed by John Dorsey
Maintained by Oleg Grenrus, John Dorsey
This version can be pinned in stack with:OneTuple-0.4.2@sha256:dd7266f983da2970e5662168add810dabadabb3a4bb9b137181eafc0ac7ea4d4,2013

Module documentation for 0.4.2

This package is a compatibility package for a singleton data type

data Solo a = MkSolo a

Note: it's not a newtype

Solo is available in base-4.16 (GHC-9.2).

Changes

0.4.1.1

  • Support GHC-7.2 and GHC-7.0.

0.4.1

  • Mark MkSolo pattern synonym as COMPLETE

0.4

  • Rename constructor to MkSolo as in base-4.17. The compatibility pattern synonym is provided.
  • Add Foldable1 Solo instance

0.3.1

  • Add Data.Tuple.Solo.TH with tupE using Solo from this package
  • Add Hashable and Hashable1 instances
  • Drop GHC-7.0 and GHC-7.2 support

0.3

  • Rename OneTuple to Solo
  • Add Typeable, Data, MonadZip, Eq1, Ord1, Show1, Read1, Generic and Generic1 instances

0.2.2.1

  • Compatible with GHC-8.6

0.2.2

  • Add Semigroup instances
  • Compatible with GHC-8.4