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Character properties and classes for XML and Unicode Character properties defined by XML and Unicode standards. These modules contain predicates for Unicode blocks, char properties and character predicates defined by XML. Supported Unicode version is 13.0.0 9.4.0.0: Supported Unicode version 12.1.0 9.3.0.2: Supported Unicode version 9.0.0
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Unicode en-/decoding functions for utf8, iso-latin-* and other encodings Unicode encoding and decoding functions for utf8, iso-latin-* and somes other encodings, used in the Haskell XML Toolbox. ISO Latin 1 - 16, utf8, utf16, ASCII are supported. Decoding is done with lazy functions, errors may be detected or ignored.
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Library for IP and MAC addresses The ip package provides types and functions for dealing with IPv4 addresses, CIDR blocks, and MAC addresses. We provide instances for typeclasses found in commonly used packages like aeson, vector, and hashable. We also provide Parsers for working with attoparsec. . Notably, this package does not overload functions by introducing any typeclasses of its own. Neither does it prefix functions with the name of the type that they work on. Instead, functions of the same name are exported by several different modules, and it is expected that end users disambiguate by importing these modules qualified. . The only module intended to be imported unqualified is Net.Types. The types in this package should not conflict with the types in any other commonly used packages. . The following packages are intended to be used with this package: . * `yesod-ip`: Provides orphan instances needed to work with yesod and persistent. Also, provides a `yesod-form` helper.
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Convert to/from the ISO 8601 time format Conversion functions between Haskell time types and the ISO 8601 format, which is often used for printing times, e.g. JavaScript's new Date().toISOString().
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Obtain minified jQuery code This package bundles the minified jQuery code into a Haskell package, so it can be depended upon by Cabal packages. The first three components of the version number match the upstream jQuery version. The package is designed to meet the redistribution requirements of downstream users (e.g. Debian).
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Type-level JSON specification See the README at: https://github.com/owensmurray/json-spec#json-spec
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Keyed functors and containers This package provides a bunch of ad hoc classes for accessing parts of a container. In practice this package is largely subsumed by the lens package, but it is maintained for now as it has much simpler dependencies.
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A lightweight structured concurrency library A lightweight structured concurrency library. For a variant of this API generalized to MonadUnliftIO, see ki-unlifted. Remember to link your program with -threaded to use the threaded runtime!
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Haskell 2022 Lens Families This package provides first class(†) functional references in Van Laarhoven style supporting the following optics:
- Lenses (view, over)
- Traversals (toListOf, matching, over)
- Setters (over)
- Grates (zipWithOf, under, review)
- Resetters (under)
- Adapters (view, review)
- Grids (toListOf, over / under, review)
- Prisms (matching, over / under, review)
- Getters (view)
- Folders (toListOf)
- Reviewers (review)
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File locking This package provides access to platform dependent file locking APIs:
- Open file descriptor locking on Linux (Lukko.OFD)
- BSD-style flock(2) locks on UNIX platforms (Lukko.FLock)
- Windows locking via LockFileEx (Lukko.Windows)
- No-op locking, which throws exceptions (Lukko.NoOp)
- Lukko module exports the best option for the target platform with uniform API.
- GHC.IO.Handle.Lock in base >= 4.10 is good enough for most use cases. However, uses only Handles so these locks cannot be used for intra-process locking. (You should use e.g. MVar in addition).
- filelock doesn't support OFD locking.
if os(windows) cpp-options: -DHAS_WINDOWS_LOCK elif (os(linux) && flag(ofd-locking)) cpp-options: -DHAS_OFD_LOCKING cpp-options: -DHAS_FLOCK elif !(os(solaris) || os(aix)) cpp-options: -DHAS_FLOCK
Lukko.FLock is available on not (Windows or Solaris or AIX). Lukko.NoOp is always available.