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:
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:
- The Monad.Reader Issue 16; see the section "Iteratee: Teaching an Old Fold New Tricks" by John W. Lato
- 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