|File: [cvs.NetBSD.org] / pkgsrc / devel / hs-these / DESCR (download)
Revision 1.1, Fri Apr 23 08:18:25 2021 UTC (6 months ago) by pho
CVS Tags: pkgsrc-2021Q3-base, pkgsrc-2021Q3, pkgsrc-2021Q2-base, pkgsrc-2021Q2, HEAD
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").