scoped_zone library

A simple dependency injection library built on Zones

Classes

ScopedRef<T>

A reference to a scoped value.

Functions

create<T>(T create()) → ScopedRef<T>

Creates a ScopedRef which can later be used to access the value, T returned by create.

read<T>(ScopedRef<T> ref, {T orElse()?}) → T

Attempts to retrieve the value for the ref. If read is called with a ref which is not available in the current scope, a StateError will be thrown.

runScoped<R>(R body(), {Set<ScopedRef> values = const {}}) → R

Runs body within a scope which has access to the set of refs in values.

runScopedGuarded<R>(R body(), {required void onError(Object error, StackTrace stack), Set<ScopedRef> values = const {}}) → R?

Runs body within a scope which has access to the set of refs in values.