Warning found:
in module Main
at tests/purs/warning/CustomWarning.purs:9:1 - 9:11 (line 9, column 1 - line 9, column 11)

  A custom warning occurred while solving type class constraints:

    Custom warning Int


in value declaration bar

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