T12513.hs:9:7: error:
    • Couldn't match expected type ‘Int’ with actual type ‘(# Int #)’
    • In the expression: x
      In an equation for ‘f’: f x = x

T12513.hs:12:7: error:
    • Couldn't match expected type ‘Int’ with actual type ‘(# Int #)’
    • In the expression: x
      In an equation for ‘g’: g x = x