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while here: - convert to optionsNG - tab -> space in pkg-descr:WWW PR: 170486 Submitted by: Timothy Beyer <beyert at cs.ucr dot edu> (maintainer)
23 lines
1.1 KiB
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23 lines
1.1 KiB
Plaintext
Ur is a programming language in the tradition of ML and Haskell, but featuring
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a significantly richer type system. Ur is functional, pure, statically-typed,
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and strict. Ur supports a powerful kind of metaprogramming based on row types.
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Ur/Web is Ur plus a special standard library and associated rules for parsing
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and optimization. Ur/Web supports construction of dynamic web applications
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backed by SQL databases. The signature of the standard library is such that
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well-typed Ur/Web programs "don't go wrong" in a very broad sense. Not only do
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they not crash during particular page generations, but they also may not:
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* Suffer from any kinds of code-injection attacks
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* Return invalid HTML
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* Contain dead intra-application links
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* Have mismatches between HTML forms and the fields expected by their
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handlers
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* Include client-side code that makes incorrect assumptions about the
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"AJAX"-style services that the remote web server provides
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* Attempt invalid SQL queries
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* Use improper marshaling or unmarshaling in communication with SQL databases
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or between browsers and web servers
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WWW: http://www.impredicative.com/ur/
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