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33 lines
869 B
Idris
33 lines
869 B
Idris
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module Main
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data SomePointer : Type where
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%foreign "C:idris2_getNull, libidris2_support, idris_support.h"
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getTypedPointer : PrimIO (Ptr SomePointer)
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freeTypedPointer : Ptr SomePointer -> IO ()
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freeTypedPointer ptr = do
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putStrLn "allocated (Ptr t) freed"
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-- we could free the pointer here. However, since ptr is the NULL pointer, we just simulate it
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%foreign "C:idris2_getNull, libidris2_support, idris_support.h"
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getSomeAnyPointer : PrimIO (AnyPtr)
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freeAnyPointer : AnyPtr -> IO ()
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freeAnyPointer ptr = do
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putStrLn "allocated AnyPtr freed"
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-- we could free the pointer here. However, since ptr is the NULL pointer, we just simulate it
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main : IO ()
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main = do
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ptr <- primIO $ getTypedPointer
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gcPtr <- onCollect ptr freeTypedPointer
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anyptr <- primIO $ getSomeAnyPointer
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gcAnyPtr <- onCollectAny anyptr freeAnyPointer
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pure ()
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