Comments (8)
from liquidhaskell-tutorial.
First, thank you very much for answering. I very appreciate it.
Second, I mostly follow this tutorial . I've learnt to include some definitions to make the program work, if that's what you meant by "hidden" definitions, and it worked well so far. Except in examples I have mentioned of course.
logic.txt
Here is my code so far. Tell me if I'm doing something wrong. Mostly, it's just copy pasting the code for testing if SMT Solver really works.
from liquidhaskell-tutorial.
Hi @hafizhmakmur -- sorry for the delay just took a look. See this:
http://goto.ucsd.edu:8090/index.html#?demo=permalink%2F1581980818_5067.hs
The main problem was that you missed the (hidden) GHC annotation
infixr 9 ==>
which is needed so that an expression e1 => e2 => e3
is parsed as e1 => (e2 => e3)
(and not (e1 => e2) => e3
). With this change, ex7
, ax3
, and ax5
work as written.
The issue with the uninterpreted examples is that we made a change in the defaults, so we really need to add the line {-@ LIQUID "--reflection" @-}
to the preamble. My apologies for this, but I hope this gets you unstuck!
from liquidhaskell-tutorial.
Thank you very much ! It really works! Yeah, you should really add all of these somewhere in the tutorial lol :D . Once again thank you very much for your quick assistance!
from liquidhaskell-tutorial.
from liquidhaskell-tutorial.
Eh, by the way, @ranjitjhala, for some reason fx2 is still unsafe despite all other functions are now working. Is there anything else I missed so far? It looks like it should've worked but it doesn't.
from liquidhaskell-tutorial.
Nevermind, there's this cheeky {-@ size :: [a] -> Nat @-}
right after {-@ measure size @-}
that fixes it lol. I really missed something :D .
from liquidhaskell-tutorial.
from liquidhaskell-tutorial.
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from liquidhaskell-tutorial.