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ffi1.stderr 955 B
ffi1.hs:9:1: error: [GHC-89401]
• Unacceptable argument type in foreign declaration:
‘(# Int | Int #)’ cannot be marshalled in a foreign call
• When checking declaration:
foreign import ccall safe "f1" f1 :: (# Int | Int #) -> IO Int
ffi1.hs:10:1: error: [GHC-89401]
• Unacceptable argument type in foreign declaration:
‘(# (# Int, Int #) |
(# Float#, Float# #) #)’ cannot be marshalled in a foreign call
• When checking declaration:
foreign import ccall safe "f2" f2
:: (# (# Int, Int #) | (# Float#, Float# #) #) -> IO Int
ffi1.hs:11:1: error: [GHC-89401]
• Unacceptable argument type in foreign declaration:
‘(# (# #) | Void# |
(# Int# | String #) #)’ cannot be marshalled in a foreign call
• When checking declaration:
foreign import ccall safe "f3" f3
:: (# (# #) | Void# | (# Int# | String #) #) -> IO Int