[Haskell-cafe] Temlpate Haskell: [d| ... |]

Achim Schneider barsoap at web.de
Fri Oct 17 12:26:56 EDT 2008


> [d| ... |], where the "..." is a list of top-level declarations; the
> quotation has type Q [Dec].

(http://www.haskell.org/ghc/docs/latest/html/users_guide/template-haskell.html)

Can someone elaborate on what a list means here? Neither

declarations = [d| 
    foo = "bar"
    bar = "foo" 
|]

nor

declarations = [d| 
    [ foo = "bar"
    , bar = "foo" 
    ]
|]

work. I'm trying to automatically generate a bunch of functions out of
an xml file.

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