+ = (_t1::Num a => a -> a -> a)
print = (_t2::Show a => a -> IO ())
log = (_t3::Floating a => a -> a)
head = (_t4::GHC.Stack.Types.HasCallStack => [a] -> a)
tail = (_t5::GHC.Stack.Types.HasCallStack => [a] -> [a])
fst = (_t6::(a, b) -> a)