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.

Extensions

OptionFlattener on Option<Option<T>>

OptionResultTransposer on Option<Result<T, E>>

ResultFlattener on Result<Result<T, E>, E>

ResultOptionTransposer on Result<Option<T>, E>

ResultTransposer on Result<T?, E>

Exceptions / Errors

UnwrapError

Error thrown by the runtime system when unwrap fails.