niknaks.functional

Functional tooling

Members

OptionalException class OptionalException: Default exception which is thrown when get() is called on an Optional!(T) which has no value set

error Result!(OkayType, ErrorType) error(ErrorType errorVal): Constructs a new Result with the status set to error and with the provided value.
ok Result!(OkayType, ErrorType) ok(OkayType okayVal): Constructs a new Result with the status set to okay and with the provided value.

Optional template Optional(T, onEmptyGet = OptionalException, exceptionArgs...): Optionals for a given type and with a customizable exception to be thrown when a value is not present and get() is called.
Predicate template Predicate(T): Predicate for testing an input type against a condition and returning either true or false
predicateOf template predicateOf(alias func): Given the symbol of a function or delegate this will return a new Predicate of it