core library

Stable compatibility export for Dart-only Dust functional primitives.

Classes

Err<T, E>: Failed operation result.
None<T>: Option state for an absent value.
Ok<T, E>: Successful operation result.
Option<T>: Optional value wrapper for Rust-style present-or-absent values.
Result<T, E>: Result of an operation that can either succeed with T or fail with E.
Some<T>: Option state for a present value.
Unit: Empty success value for operations that only signal completion.