Maps an Error
Apply the result of this rule to the function returned by the previous rule
>~>(f) is equivalent to >> { case b1 ~ b2 => f(b1, b2) }
^{-}(f) is equivalent to ^^ { b2 => b1 => f(b1, b2) }
^{~>~}(f) is equivalent to ^^ { case b2 ~ b3 => b1 => f(b1, b2, b3) }
^{~}(f) is equivalent to ^^ { case b1 ~ b2 => f(b1, b2) }
^{~~}(f) is equivalent to ^^ { case b1 ~ b2 ~ b3 => f(b1, b2, b3) }
^{~~~}(f) is equivalent to ^^ { case b1 ~ b2 ~ b3 ~ b4 => f(b1, b2, b3, b4) }
^{~~~~}(f) is equivalent to ^^ { case b1 ~ b2 ~ b3 ~ b4 ~ b5 => f(b1, b2, b3, b4, b5) }
^{~~~~~}(f) is equivalent to ^^ { case b1 ~ b2 ~ b3 ~ b4 ~ b5 ~ b6 => f(b1, b2, b3, b4, b5, b6) }
^{~~~~~~}(f) is equivalent to ^^ { case b1 ~ b2 ~ b3 ~ b4 ~ b5 ~ b6 => f(b1, b2, b3, b4, b5, b6) }
Apply the result of this rule to the function returned by the next rule
(rule: StringAdd).self
(rule: StringFormat).self
(rule: ArrowAssoc[Rule[In, Out, A, X]]).x
(Since version 2.10.0) Use leftOfArrow
instead
(rule: Ensuring[Rule[In, Out, A, X]]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
A Rule is a function from some input to a Result. The result may be: