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https://github.com/idris-lang/Idris2.git
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a972778eab
They don't all pass yet, for minor reasons. Coming shortly... Unfortunately the startup overhead for chez is really noticeable here!
40 lines
1.2 KiB
Idris
40 lines
1.2 KiB
Idris
libcb : String -> String
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libcb f = "C:" ++ f ++", libcb"
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%foreign libcb "add"
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add : Int -> Int -> Int
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%foreign libcb "applyIntFn"
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prim_applyIntFn : Int -> Int -> (Int -> Int -> PrimIO Int) -> PrimIO Int
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%foreign libcb "applyCharFn"
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prim_applyCharFn : Char -> Int -> (Char -> Int -> PrimIO Char) -> PrimIO Char
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%foreign libcb "applyIntFnPure"
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applyIntFnPure : Int -> Int -> (Int -> Int -> Int) -> Int
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applyIntFn : Int -> Int -> (Int -> Int -> IO Int) -> IO Int
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applyIntFn x y fn
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= primIO $ prim_applyIntFn x y (\a, b => toPrim (fn a b))
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applyCharFn : Char -> Int -> (Char -> Int -> IO Char) -> IO Char
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applyCharFn x y fn
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= primIO $ prim_applyCharFn x y (\a, b => toPrim (fn a b))
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cb : Int -> Int -> IO Int
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cb x y
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= do putStrLn $ "In callback with " ++ show (x, y)
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pure (x + y)
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main : IO ()
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main
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= do printLn (add 4 5)
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res <- applyIntFn (add 4 5) 6 (\x, y => do putStrLn "In callback"
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pure (x * 2 + y))
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printLn res
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res <- applyIntFn 1 2 cb
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printLn res
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printLn (applyIntFnPure 5 4 (\x, y => x + y))
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res <- applyCharFn 'a' 10 (\x, y => pure (cast (cast x + y)))
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printLn res
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