#5144: Pattern synonyms
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Reporter: simonpj | Owner:
Type: bug | Status: new
Priority: normal | Milestone: _|_
Component: Compiler | Version: 7.0.3
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
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Comment(by igloo):
I'm not sure I follow exactly what you're proposing. What does
{{{
pattern x `and` y = it | x <- it, y <- it
}}}
mean exactly? And how would you use it? Could you use it to require an
argument matches both `(Just x, _)` and `(_, True)`, or am I on completely
the wrong track?
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5144#comment:3>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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