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Within LTS Haskell 24.28 (ghc-9.10.3)
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A simple interface for building .dot graph files. This package provides a simple interface for building .dot graph files, for input into the dot and graphviz tools. It includes a monadic interface for building graphs.
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Simple schema management for arbitrary databases. Simple support for migrating database schemas, which allows haskell functions to be run as a part of the migration. Note that this library isn't meant to be used directly, but rather as a base library for a specific driver. For an example of a functioning driver, you should check out drifter-postgresql.
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Rose trees with cached and accumulating monoidal annotations Rose (n-ary) trees with both upwards- (i.e. cached) and downwards-traveling (i.e. accumulating) monoidal annotations. This is used as the core data structure underlying the diagrams framework (https://diagrams.github.io), but potentially has other applications as well. Abstractly, a DUALTree is a rose (n-ary) tree with data (of type l) at leaves, data (of type a) at internal nodes, and two types of monoidal annotations, one (of type u) travelling "up" the tree and one (of type d) traveling "down". See Data.Tree.DUAL for full documentation. Data.Tree.DUAL provides a public API which should suffice for most purposes. Data.Tree.DUAL.Internal exports more of the internal implementation---use it at your own risk.
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Cross-platform File handling Cross-platform File handling for Unix/Mac/Windows
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An easy to use, performant extensible effects library. An easy to use, performant extensible effects library with seamless integration with the existing Haskell ecosystem. . This is the "batteries-included" variant. See the effectful-core package if you need a more limited dependency footprint or want to browse documentation of core modules.
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Elm syntax and pretty-printing Please see the README on GitHub at https://github.com/haskell-to-elm/elm-syntax#readme
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Handle molecular sequences Examine, modify, and simulate molecular sequences in a reproducible way. Please see the README on GitHub at https://github.com/dschrempf/elynx.
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Handle phylogenetic trees Examine, compare, and simulate phylogenetic trees in a reproducible way. Please see the README on GitHub at https://github.com/dschrempf/elynx.
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A text rendering and parsing toolkit for enumerated types A text rendering and parsing toolkit for enumerated types. Please see the README on GitHub at https://github.com/cdornan/enum-text#readme
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Exact rational multiples of pi (and integer powers of pi) Provides an exact representation for rational multiples of pi alongside an approximate representation of all reals. Useful for storing and computing with conversion factors between physical units.