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Within LTS Haskell 24.45 (ghc-9.10.3)
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A simple terminal UI library vty is terminal GUI library in the niche of ncurses. It is intended to be easy to use and to provide good support for common terminal types. See the example programs in the vty-crossplatform package examples on how to use the library. © 2006-2007 Stefan O'Rear; BSD3 license. © Corey O'Connor; BSD3 license. © Jonathan Daugherty; BSD3 license.
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A logging system for WAI A logging system for WAI(Web Application Interface)
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Data types for large but fixed width signed and unsigned integers A library to provide data types for large (ie > 64 bits) but fixed width signed and unsigned integers with the usual typeclass instances to allow them to be used interchangeably with Word64. The types and operations are coded to be as fast as possible using strictness annotations, INLINEABLE pragmas and unboxed values and operations where appropriate.
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integration testing for WAI/Yesod Applications API docs and the README are available at http://www.stackage.org/package/yesod-test
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A binding for the OpenGL graphics system A Haskell binding for the OpenGL graphics system (GL, version 4.6) and its accompanying utility library (GLU, version 1.3). OpenGL is the industry's most widely used and supported 2D and 3D graphics application programming interface (API), incorporating a broad set of rendering, texture mapping, special effects, and other powerful visualization functions. For more information about OpenGL and its various extensions, please see http://www.opengl.org/ and http://www.opengl.org/registry/.
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A binding to the X11 graphics library A Haskell binding to the X11 graphics library. The binding is a direct translation of the C binding; for documentation of these calls, refer to "The Xlib Programming Manual", available online at http://tronche.com/gui/x/xlib/.
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ASN.1 types ASN.1 standard types
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FFI domain specific language, on top of hsc2hs. This is a set of macros to be used when writing Haskell FFI. They were designed to be able to fully describe C interfaces, so that hsc2hs can extract from them all Haskell code needed to mimic such interfaces. All Haskell names used are automatically derived from C names, structures are mapped to Haskell instances of Storable, and there are also macros you can use with C code to help write bindings to inline functions or macro functions. Documentation is available at package homepage: https://github.com/jwiegley/bindings-dsl/wiki The extra module Bindings.Utilities will contain tools that may be convenient when working with FFI.
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Slicing managed and unmanaged memory This library provides types that allow the user to talk about a slice of a ByteArray or a MutableByteArray. It also offers UnmanagedBytes, which is kind of like a slice into unmanaged memory. However, it is just an address and a length.
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Binding to the Cairo library. Cairo is a library to render high quality vector graphics. There exist various backends that allows rendering to Gtk windows, PDF, PS, PNG and SVG documents, amongst others.