Discussion on: .NET Core Dependency Injection: Everything You Ought To Know

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Replies for: in real life it doesn't really make sense to bind IEngine to HondaEngine Well, in some cases it might make sense. If you were, for example, build...

That strategy pattern code is interesting. I had no idea you could do this:

services.AddScoped<IMathOperator, AddOperator>();
services.AddScoped<IMathOperator, SubtractOperator>();
services.AddScoped<IMathOperator, MultipleOperator>();
services.AddScoped<IMathOperator, DivideOperator>();

James Hickey • Sep 3 '19

It's pretty neat! As long as your interface exposes some way to differentiate between each concrete implementation then you can just check that at run-time.