User-reported unhelpful error message

[codeworld-feedback]

trafficstars

Program: https://code.world/#PxVbd7q0xfpz1QVgsdH_Jnw

Comment:

how does this tell me what I'm missing

Message:

program.hs:4:1-9: error:
    The type signature for drawingOf lacks an accompanying binding
      (The type signature must be given where drawingOf is declared)