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Mugen Injection [Keyed bindings]

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The MugenInjector supports register binding with key. Keys are not necessarily unique; multiple bindings for a given service may be registered with the same key, this code shows how it work:

public class Alpha { }
public class Beta : Alpha { }
public class Bravo : Beta { }

public enum KeyEnum
{
    Alpha,
    Beta,
    Bravo
}

// Create your MugenInjector.
_injector = new MugenInjector();

_injector.Bind<Alpha>().ToSelf().KeyedBinding(KeyEnum.Alpha);
_injector.Bind<Alpha>().To<Beta>().KeyedBinding(KeyEnum.Beta);
_injector.Bind<Alpha>().To<Bravo>().KeyedBinding(KeyEnum.Bravo);

var alpha = _injector.Get<Alpha>(KeyEnum.Alpha);//Instance of Alpha.
var beta = _injector.Get<Alpha>(KeyEnum.Beta);//Instance of Beta.
var bravo = _injector.Get<Alpha>(KeyEnum.Bravo);//Instance of Bravo.

This code shows how register multiple bindings with the same key:

// Create your MugenInjector.
_injector = new MugenInjector();

_injector.Bind<Alpha>().ToSelf().KeyedBinding(KeyEnum.Alpha);
_injector.Bind<Alpha>().To<Beta>().KeyedBinding(KeyEnum.Alpha);
_injector.Bind<Alpha>().To<Bravo>().KeyedBinding(KeyEnum.Alpha);

var list = _injector.Get<IList<Alpha>>(KeyEnum.Alpha);
var enumerable = _injector.GetAll<Alpha>(KeyEnum.Alpha);