crab library

Classes

Err<T, E>: Err is a type that represents failure and contains a E type error value.
None<T>: None is a type that represents not having a value.
Ok<T, E>: Ok is a type that represents success and contains a T type success value.
Option<T>: Option is a type that represents either having a value (Some) or not having a value (None).
Result<T, E>: Result is a type that represents either success (Ok) or failure (Err).
Some<T>: Some is a type that represents having a value and contains a T type value.