Yes, this is the same style as go. Fortunately you don't have to check the cancel token everywhere since clients can just proceed as if you had been cancelled (

Yes, this is the same style as go. Fortunately you don't have to check the cancel token everywhere since clients can just proceed as if you had been cancelled (in well designed systems). You just need to check it before and during potentially expensive or long running operations (IO or expensive computation, basically).