Job #1

    [JobProducerType(typeof(IJobSingleExtensions.JobProcess<>))]
    public interface IJobSingle {
        void Execute();
    }

    public static unsafe class IJobSingleExtensions {

        public static JobHandle Schedule<T>(this T jobData, JobHandle inputDeps = default) where T : struct, IJobSingle {

        }

        internal struct JobProcess<T> where T : struct, IJobSingle {

        }

    }