Some carefully crafted libraries make promises to their users beyond functionality and performance. Examples are: Fusion libraries promise intermediate data structures to be eliminated. Generic programming libraries promise that the generic implementation is identical to the hand-written one. Some libraries may promise …

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The Web Application Interface provides a common protocol for communication between web applications and web servers. This package provides a bridge between WAI and the haskell websockets library. This package provides a library for the Haskell programming language. See http://www.haskell.org/ for more information on …

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Thyme is a rewrite of the fine time library, with a particular focus on performance for applications that make heavy use of timestamps. For example, UTCTime is represented with μs precision as an Int64, which gives a usable range from -290419-11-07 19:59:05.224192 UTC to 294135-11-26 04:00:54.775807 UTC in the future. …

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“Prompting” monad that allows splitting the description of a computation from the implementation of the effects used in that computation. This package provides a library for the Haskell programming language, compiled for profiling. See http://www.haskell.org/ for more information on Haskell.

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This package provides a lear to write, read, and edit DSL for HTML. See the ‘Lucid’ module for description and documentation. This package provides a library for the Haskell programming language. See http://www.haskell.org/ for more information on Haskell.

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Repa provides high performance, regular, multi-dimensional, shape polymorphic parallel arrays. All numeric data is stored unboxed. Functions written with the Repa combinators are automatically parallel provided you supply +RTS -Nn on the command line when running the program. This package provides a library for the …

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Hspec is roughly based on the Ruby library RSpec. However, Hspec is just a framework for running HUnit and QuickCheck tests. Compared to other options, it provides a much nicer syntax that makes tests very easy to read. This package provides a library for the Haskell programming language. See http://www.haskell.org/ …

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FileManip is a Haskell library for working with files and directories. Includes code for pattern matching, finding files, modifying file contents, and more. This package contains the development files. This package provides a library for the Haskell programming language. See http://www.haskell.org/ for more information …

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This package provides a shim for haskell-src-exts (HSE), exposing the same AST but without annotations, using ghc’s pattern synonyms. This package is useful for synthesizing and manipulating HSE ASTs that don’t carry source location information. It may also aid in porting packages from haskell-src-exts 1.17 …

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This package is the canonical source for some orphan instances for the dlist (difference list) packages. Orphan instances are placed here to avoid dependencies elsewhere. This package provides a library for the Haskell programming language, compiled for profiling. See http://www.haskell.org/ for more information on …

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