Hi Adam, that looks interresting. I'm totally new to TH and QuasiQuotes, though. Can I run IO in a QuasiQuoter? I can run my own interpreter.
On Fri, Feb 22, 2013 at 7:12 PM, adam vogt <vogt.a...@gmail.com> wrote: > On Fri, Feb 22, 2013 at 12:44 PM, Corentin Dupont > <corentin.dup...@gmail.com> wrote: > > Hi all, > > I have a program able to read another program as a string, and interpret > it > > (using Hint). > > I'd like to make unit tests, so I have a file "Test.hs" containing a > serie > > of test programs as strings. > > However, how could I be sure that these test program are syntactically > > valid, at compile time? > > Hi Corentin, > > You could write the test programs like: > > test1 :: String > test1 = [qq| x+1 == 3 |] > > Where qq is a QuasiQuoter you have to define. It could try to parse > the string with http://hackage.haskell.org/package/haskell-src-exts, > and if that succeeds, returns the original string. > > -- > Adam >
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