#5416: Local modules and Template Haskell declaration splices
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Reporter: simonpj | Owner:
Type: bug | Status: new
Priority: normal | Milestone: _|_
Component: Compiler | Version: 7.2.1
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
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Comment(by igloo):
You might want this in regular Haskell too, e.g. you could have `with` be
a keyword and
{{{
with helper = ...
in instance Foo T where
m1 x = helper True x
m2 x = helper False x
}}}
Likewise you occasionally want local datatypes etc.
I don't know whether a "with...in" style syntax or a "submodule" style
syntax would be better.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5416#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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