quiver_optional 1.0.0
Make your programs null-free with Optional
Quiver Optional
Make your Dart programs null-free with Optional.
NOTE: a more proper way to build null-free programs in imperative languages is via non-nullable types. If NNBD DEP lands in Dart this package will become obsolete.
Documentation
Optional represents a value that might be absent; it is used as an alternative
to null.