plugin architecture. Required functionality ● Given start and end robot state, create a motion plan 11Core System contains the Interface class #pragma once #include #include ~IMotionPlanner() = default; virtual bool initialize() = 0; virtual std::vector plan (RobotState start, RobotState goal) = O; }; } This is an abstract class 12Core System contains ~IMotionPlanner() = default; virtual bool initialize() = 0; virtual std::vector plan (RobotState start, RobotState goal) = O; }; } The Robot State comprises of the joint names

metafunctions, … Simplification through generalization Compatibility for C++ Why • What kind • What plan3 green-field language invent new idioms/styles new modules new ecosystem/packagers compatibility metafunctions, … Simplification through generalization Compatibility for C++ Why • What kind • What plan10 Simplicity Efficiency Safety These are not always in tension Judicious abstraction  directly metafunctions, … Simplification through generalization Compatibility for C++ Why • What kind • What plan45 I do believe that there is real value in pursuing functional programming, but it would be irresponsible

and Partial Applications ● Here is more code that shows closures and partial applications Path plan(Position const& start, Position const& goal, Map const& map) { /* Variable setup */ auto is_occupied goal){ return plan(start, goal, map); }; auto const plan = planner(Position{0, 0}, Position{2, 2}); /* More implementation code */ }Closures and Partial Applications Path plan(Position const& auto const planner = [map](auto const& start, auto const& goal){ return plan(start, goal, map); }; auto const plan = planner(Position{0, 0}, Position{2, 2}); /* More implementation code */ }

have a plan 42We need a plan…We need a plan… • By adding features and moving members around somewhat blindly, we’re « fixing » problems but creating others • Writing code without a plan is a perilous perilous venture, even for such a simple problem 44We need a plan… • What do we want? • We want heroes to be able to hit monsters (Orcs in particular) • We want monsters to be able to hit heroes (otherwise things fun, let’s suppose heroes can wear armor, which potentially gives them an edge 45We need a plan… • We have implementation considerations • Let’s make it so all characters will have a name, and

the various requests gain traction 37A word on P2000 and P0592 How P2966 fits in the « overall plan for C++… » 38A word on P2000 and P0592 • To help focus C++ evolution efforts, two notable papers contributors plan to write papers that will help these requests lead to adoption of corresponding features in the C++ language or its standard library 63Actions • SG14 contributors plan to write papers contributors will try to help bring these other papers to fruition 64Actions • SG14 contributors plan to write papers that will help these requests lead to adoption of corresponding features in the

library ISO C++ papers 21• P1935: A C++ Approach to Physical Units • P2980: A motivation, scope, and plan for a physical quantities and units library CppCon 2024: Improving our safety with a quantities and library ISO C++ papers 21• P1935: A C++ Approach to Physical Units • P2980: A motivation, scope, and plan for a physical quantities and units library • P3045: Quantities and units library CppCon 2024: Improving library ISO C++ papers 21• P1935: A C++ Approach to Physical Units • P2980: A motivation, scope, and plan for a physical quantities and units library • P3045: Quantities and units library • P3003: The design

it is an immutable property of committee process 'train model' - what is ready ships there is a plan: much committee work has gone virtual subgroup meetings on going every week 3 virtual plenary sessions it is an immutable property of committee process 'train model' - what is ready ships there is a plan: much committee work has gone virtual subgroup meetings on going every week 3 virtual plenary sessions views::slice views::take_exactly views::drop_exactly Adaptor compositions views::upto …much more… A Plan for C++26 Ranges 61in dra� implementation P2542 views::concat https://github.com/huixie90/cpp_

senders and receivers? • C++26 executors networking?, concurrency TS2? Conclusion and Future plan • 2021: plan to integrate with MISRA 202X NEXT release • 17 rules to MISRA C++ NEXT • 17 rules to C++CG •

https://youtu.be/VCrLAmJWZFQVerdict: Somebody needs to work on this!! 20Hey… we’re somebody! 21The Plan 22Disclaimer: Not at 1.0 yet! ● Might need to pivot ● Subject to discussion and changes ● Please files ● Explore use case inside Bloomberg for interop between .pc and .cps ● Develop a transition plan that supports gradual transition from.cmake to .cpsNot brain surgery or rocket science 78 Image licensed

about an or or fold to fold to get the error? get the error? Plan: invert the sense and then write a fold expression to extract the error. Plan: invert the sense and then write a fold expression to extract