(dealingWithGenericCommandErrorsReader: StringAdd).self
(dealingWithGenericCommandErrorsReader: StringFormat).self
(dealingWithGenericCommandErrorsReader: ArrowAssoc[DealingWithGenericCommandErrorsReader[A]]).x
(Since version 2.10.0) Use leftOfArrow instead
(dealingWithGenericCommandErrorsReader: Ensuring[DealingWithGenericCommandErrorsReader[A]]).x
(Since version 2.10.0) Use resultOfEnsuring instead
Helper to read a command result, with error handling.