INITIALPATH:7:22: error:
    • INITIALPATH:7:30:
  |
7 | main = putStrLn [fmt|{hello: s}|]
  |                              ^
Type incompatible with sign field ( ), use any of {'b', 'd', 'e', 'E', 'f', 'F', 'g', 'G', 'n', 'o', 'x', 'X', '%'} or remove the sign field.

    • In the quasi-quotation: [fmt|{hello: s}|]
  |
7 | main = putStrLn [fmt|{hello: s}|]
  |                      ^^^^^^^^^^^^