套件：libghc-these-doc（1.2.1-1）
either-or-both data type; documentation
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 the documentation for a library for the Haskell programming language. See http://www.haskell.org/ for more information on Haskell.
其他與 libghc-these-doc 有關的套件
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- dep: haddock-interface-42
- 本虛擬套件由這些套件填實： ghc
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- rec: ghc-doc
- Documentation for the Glasgow Haskell Compilation system
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- rec: libghc-assoc-doc
- swap and assoc: Symmetric and Semigroupy Bifunctors; documentation
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- rec: libghc-hashable-doc
- class for types that can be converted to a hash value; documentation
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- rec: libghc-these-dev
- either-or-both data type
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- rec: libjs-mathjax
- JavaScript display engine for LaTeX and MathML
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- sug: libghc-these-prof
- either-or-both data type; profiling libraries