Warning found:
in module Main
at tests/purs/warning/4376.purs:6:1 - 6:16 (line 6, column 1 - line 6, column 16)

  No type declaration was provided for the top-level declaration of value.
  It is good practice to provide type declarations as a form of documentation.
  The inferred type of value was:
                      
    forall @a. Maybe a
                      

in value declaration value

See https://github.com/purescript/documentation/blob/master/errors/MissingTypeDeclaration.md for more information,
or to contribute content related to this warning.