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upgraded code for nullsafety

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This commit is contained in:
Sergey Penkovsky
2021-03-27 19:48:03 +03:00
parent 8baad94b8f
commit 12d877333a
7 changed files with 22 additions and 19 deletions
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6
lib/di_container.dart
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@@ -4,7 +4,7 @@ import 'package:dart_di/resolvers/resolving_context.dart';
* Контейнер - это объект, которой хранит все резолверы зависимостей.
*/
class DiContainer {
final DiContainer _parent;
final DiContainer? _parent;
final _resolvers = <Type, ResolvingContext>{};
@@ -46,7 +46,7 @@ class DiContainer {
/**
* Возвращает разрешенную зависимость типа [T] или null, если она не может быть разрешена.
*/
T tryResolve<T>() {
T? tryResolve<T>() {
var resolver = _resolvers[T];
if (resolver != null) {
return resolver.resolve();
@@ -70,6 +70,6 @@ class DiContainer {
* @return - возвращает булево значение
*/
bool hasInTree<T>() {
return has<T>() || (_parent != null && _parent.hasInTree<T>());
return has<T>() || (_parent != null && _parent!.hasInTree<T>());
}
}