fourmolu-0.0.6.0: data/examples/declaration/signature/inline/inlineable.hs

foo :: Int -> Int
foo = id

{-#   INLINEABLE  foo   #-}

{-# INLINEABLE [2]    bar #-}

bar :: Int -> Int
bar = id

baz :: Int -> Int
baz = id
{-# INLINEABLE [~2]  baz #-}