Warning found:
in module Main
at tests/purs/warning/UnusedExplicitImportTypeOp.purs:6:1 - 6:30 (line 6, column 1 - line 6, column 30)

  The import of module Lib contains the following unused references:

    (~>)

  It could be replaced with:

    import Lib (natId)



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