these: An either-or-both data type.

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This package provides a data type These a b which can hold a value of either type or values of each type. This is usually thought of as an "inclusive or" type (contrasting Either a b as "exclusive or") or as an "outer join" type (contrasting (a, b) as "inner join").

data These a b = This a | That b | These a b

Since version 1, this package was split into parts:

Properties

Versions 0.2, 0.3, 0.4, 0.4.1, 0.4.2, 0.6.0.0, 0.6.1.0, 0.6.2.0, 0.6.2.1, 0.7, 0.7.1, 0.7.2, 0.7.3, 0.7.4, 0.7.5, 0.7.6, 0.8, 0.8.1, 1, 1.0.1, 1.1, 1.1.1, 1.1.1, 1.1.1.1, 1.2
Change log CHANGELOG.md
Dependencies assoc (>=1 && <1.1), base (>=4.5.1.0 && <4.15), bifunctors (>=5.5.4 && <5.6), binary (>=0.5.1.0 && <0.10), deepseq (>=1.3.0.0 && <1.5), ghc-prim, hashable (>=1.2.7.0 && <1.4), semigroups (>=0.18.5 && <0.20), transformers (>=0.3.0.0 && <0.6), transformers-compat (>=0.6.5 && <0.7) [details]
License BSD-3-Clause
Author C. McCann, Oleg Grenrus
Maintainer Oleg Grenrus <oleg.grenrus@iki.fi>
Category Data, These
Home page https://github.com/isomorphism/these
Source repo head: git clone https://github.com/isomorphism/these.git
Uploaded by phadej at 2020-07-09T11:13:10Z

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