notified that the work is complete35 OPERATIONS EXECUTE OUTSIDE-IN when_all then schedule Every adaptor has a chance to run code when the operation is starting and when the operation is finishing awaiting coroutines is unwound.) • The cancellation “exception” is “caught” by applying a sender adaptor that translates the done signal into a value or an error before awaiting the sender; e.g., with: KEYCLICK SENDERS This is a synchronous range adaptor, which applies to the senders themselves. It’s not hard to imagine one might want to apply a range adaptor to the results of the senders. Asynchronous

es::subrange: can’t handle escape sequences std::string: allocation and copy tc::json::decode_adaptor: lazily decode escape sequences as you iterate Jonathan Müller — @foonathan Express your expectations struct tc::json::parser { auto number() -> std::optionaladaptor>; // as string template auto number() -> std::optional: // as number }; Jonathan typename ErrorHandler> struct tc::json::parser { bool object(); // skip { std::optionaladaptor> key(); // skip } or , and key }; Jonathan Müller — @foonathan Express your expectations CppCon

mesh Metric from Service Mesh by native supportedPower of out of process adaptor Bypass adpator Adaptor In process Bypass adaptor SkyWalking backend Tracing Metric Receiver in gRPC/HTTP Analysis Core io/docs/reference/config/policy-and- telemetry/attribute-vocabulary/Metric settings in Istio bypass adaptor• Service. Represent a set/group of workloads to provide the same behaviors for incoming requests

circuit using a wave digital voltage source, resistor, and capacitor, all connected with a series adaptor. Real-Time Circuit Simulation with Wave Digital Filters in C++ Author: Jatin Chowdhury Affiliation: incident wave, reflected wave, port impedance “Leaf” nodes are 1-port: resistor, capacitor, inductor “Adaptor” nodes are 2-port, 3-port, or more: series, parallel, inverter Special “unadaptable” leaf nodes need Dissertation, Stanford University, 2016 C++ Implementation WDF Basics WDF Resistor WDF Series Adaptor An RC Lowpass Filter can be implemented by combining multiple WDFs. Note that decltype can be very

Request GRPC Request Forward Provider Service Handler Chain Consumer Service Huawei Confidential Adaptor 11 ServiceComb Service Center Architecture Evolution - Supports multiple registration centers VMs to support smooth migration from VMs to containers. Service Center K8s adaptor ETCD adaptor Service center adaptor Registry K8s K8s Service center Service center ETCD Huawei Confidential

iterated over range algo: algorithm that takes range view: lazy range thats cheap (to copy) range adaptor: make a range into a view 3 . 2mechanics - headers, namespaces mechanics - headers, namespaces std::string_view(leaf)); //empty: https://godbolt.org/z/8KPjqYrG1 4 . 8Views and Adaptor Details Views and Adaptor Details 5 . 1views are ranges with 'lazy evaluation' views are ranges with 'lazy evaluation' 0, 1, 2, 3, 4, 5, 6 }; auto is_even = [](int i) { return 0 == i % 2; }; // view on stack with adaptor auto evens = vi | rng::views::filter( is_even ); for (int i : evens) { std::cout << i << " ";