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Add autowiring to array to tutorial

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Mike Bierlee 2015-07-04 14:36:41 +02:00
parent 9d5b4e97a7
commit 5c9a623ef6
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17
TUTORIAL.md
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@ -111,3 +111,20 @@ class BluePaint {
}
```
If you registered multiple concrete types to the same supertype and you do not resolve using a qualifier, a ResolveException is thrown stating that there are multiple candidates for the type to be resolved.
Autowiring all registered instances to an array
-----------------------------------------------
If you have registered multiple concrete types to a super type, you can autowire them all to an array, in which case you can easily operate on them all:
```d
// Color is an interface, Blue and Red are classes implementing that interface
class ColorMixer {
@Autowire
public Color[] colors;
}
dependencies.register!(Color, Blue);
dependencies.register!(Color, Red);
auto mixer = dependencies.resolve!ColorMixer;
```
Member mixer.colors will now contrain instances of Blue and Red. The order of the instances is not guarenteed to be that of the order in which they were registered.