套件：libghc-these-dev（1.2.1-1）
either-or-both data type
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").
The major use case of this is provided by the Align class, representing a generalized notion of "zipping with padding" that combines structures without truncating to the size of the smaller input.
Also included is ChronicleT, a monad transformer based on the Monad instance for `These a', along with the usual monad transformer bells and whistles.
This package provides a library for the Haskell programming language. See http://www.haskell.org/ for more information on Haskell.
其他與 libghc-these-dev 有關的套件
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- dep: libc6 (>= 2.4)
- GNU C 函式庫：共用函式庫
同時作為一個虛擬套件由這些套件填實： libc6-udeb
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- dep: libghc-assoc-dev-1.1.1-e9faa
- 本虛擬套件由這些套件填實： libghc-assoc-dev
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- dep: libghc-base-dev-4.18.2.1-3be9b
- 本虛擬套件由這些套件填實： ghc
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- dep: libghc-binary-dev-0.8.9.1-7d034
- 本虛擬套件由這些套件填實： ghc
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- dep: libghc-deepseq-dev-1.4.8.1-ae077
- 本虛擬套件由這些套件填實： ghc
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- dep: libghc-hashable-dev-1.4.4.0-409e6
- 本虛擬套件由這些套件填實： libghc-hashable-dev
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- dep: libgmp10 (>= 2:6.3.0 dfsg)
- Multiprecision arithmetic library