{ "authors": [ "neenjaw" ], "contributors": [ "angelikatyborska" ], "files": { "solution": [ "lib/rpn_calculator/exception.ex" ], "test": [ "test/rpn_calculator/exception_test.exs" ], "exemplar": [ ".meta/exemplar.ex" ] }, "language_versions": ">=1.10", "icon": "error-handling", "blurb": "Learn about defining custom exceptions by continuing work on your experimental Reverse Polish Notation calculator." }