User-reported unhelpful error message

[codeworld-feedback]

trafficstars

Program: https://code.world/#PkV_mtBcebaI3xqMTqGreYw

Comment:

RONALDO.

SIUUUUUUUUUUUUUUUUUUU!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Message:

program.hs:1:1-3: error:
    The type signature for abs lacks an accompanying binding
      (The type signature must be given where abs is declared)