Using named instances as constructor arguments

I’ve previously discussed the usefulness of StructureMap’s named instances, as well as bemoaning how fugly the syntax is for using them:

    .Ctor<ISession>("session").Use(c => c.GetInstance<ISession>("UserDB"));

I submitted a pull request to improve it, but the other day I realised I could fix it in the current version with an extension method:

public static class StructureMapExtensions
    public static SmartInstance<T> Named<T, CTORTYPE>(this SmartInstance<T>.DependencyExpression<CTORTYPE> instance, string name)
        return instance.Is(c => c.GetInstance<CTORTYPE>(name));

Which means you can say:



One thought on “Using named instances as constructor arguments

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