Iteratee I/O

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Iteratee I/O is a way to avoid the problems that can occur with lazy I/O.

Discussions elsewhere on this wiki include:

• Enumerator and iteratee
• Iteratee

Essays by Oleg:

• Oleg's writings: Incremental multi-level input processing with left-fold enumerator: predictable, high-performance, safe, and elegant
• An implementation by Oleg, iteratees on Chars and Strings
• A general library by Oleg

Other discussions:

• Yesod Book: Enumerator Package
• Lazy IO considered harmful; way to go, Left-fold enumerator!
• A Darcs repository of an alternative implementation

Uses of Iteratee I/O:

• Snap : The Snap web framework
• yaml: Low-level binding to the libyaml C library]
• usb 0.4: Communicate with USB devices
• sstable: SSTables in Haskell
• WAI: a Web Application Interface for haskell web frameworks (used by Yesod).

Packages:

• iterIO (note, that this will not compile on Windows, as it depends on the package unix)
• enumerator ANNOUNCE: enumerator, an alternative iteratee package (this package does not use any extensions, so it will work with most Haskell compilers)
• attoparsec-iteratee: An adapter to convert attoparsec Parsers into blazing-fast Iteratees
• iteratee: Iteratee-based I/O
• iteratee-parsec: Package allowing parsec parser initeratee
• liboleg: An evolving collection of Oleg Kiselyov's Haskell modules (depends on the package unix and will therefore not compile on Windows systems)
• See also the enumerator category on Hackage