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pkgsrc-2020Q3:1.1.0.6
pkgsrc-2020Q3-base:1.1
pkgsrc-2020Q2:1.1.0.4
pkgsrc-2020Q2-base:1.1
pkgsrc-2020Q1:1.1.0.2
pkgsrc-2020Q1-base:1.1;
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comment @# @;
1.1
date 2020.01.03.04.45.31; author pho; state Exp;
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commitid XlAmZ2KwQx1DvcRB;
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1.1
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@Import bifunctors-5.5.6 from wip
A bifunctor is a type constructor that takes two type arguments and is
a functor in both arguments. That is, unlike with Functor, a type
constructor such as Either does not need to be partially applied for a
Bifunctor instance, and the methods in this class permit mapping
functions over the Left value or the Right value, or both at the same
time.
Formally, the class Bifunctor represents a bifunctor from Hask ->
Hask.
Intuitively it is a bifunctor where both the first and second
arguments are covariant.
You can define a Bifunctor by either defining bimap or by defining
both first and second.
@
text
@$NetBSD: distinfo,v 1.4 2014/04/25 13:24:09 szptvlfn Exp $
SHA1 (bifunctors-5.5.6.tar.gz) = e69258273335874c755c95784790309455124402
RMD160 (bifunctors-5.5.6.tar.gz) = 1f119cd4de7bbec44f353cd420b7b739208389dd
SHA512 (bifunctors-5.5.6.tar.gz) = d78471bdf9c83c77d49825321984964e165c77ee4f02f8c4232ce272246057b0064b68553f8d70a11a930fc771dc55a2991ff63d6d7af89bb749f23737ba6a5b
Size (bifunctors-5.5.6.tar.gz) = 44721 bytes
@