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C++14

Kona 2012 – Issaquah 2014 · N3936 (DIS) · ISO/IEC 14882:2014

61papers adopted

12features touched

5plenaries

← C++11 C++17 →Show only C++14 on the map

Language

6 features

Small language features (C++14)8 papers Relaxed constexpr7 papers Binary literals & digit separators2 papers Generic lambdas & init-capture2 papers Return type deduction1 paper Variable templates1 paper

Library

4 features · 2 housekeeping

Library additions (C++14)18 papers Reverted from C++14 (optional, dynarray, runtime arrays)3 papers Shared locking (shared_timed_mutex, shared_mutex)also C++173 papers Containers (forward_list, emplace, array)also C++111 paper Core & Library issue resolutionsalso 6 others14 papers NB-comment omnibus & housekeepingalso 5 others1 paper

Papers per plenary

Bristol 2013 was the busiest plenary: 29 papers adopted into C++14.

KonaFeb 20123 PortlandOct 201210 BristolApr 201329 ChicagoSep 201311 IssaquahFeb 20148

Idioms in C++14

what changed in practice · from the Atlas

Parameter passingCore semantics Ownership & lifetimesCore semantics Value vs. reference semanticsCore semantics Move semanticsCore semantics InitializationCore semantics Const & constexpr correctnessCore semantics Class designDesign Error handlingDesign Polymorphism choiceDesign API boundaries & vocabulary typesDesign Customization pointsGeneric & compile-time Constraint styleGeneric & compile-time Named idiomsGeneric & compile-time Algorithms & ranges over raw loopsCode-level Casting disciplineCode-level Concurrency idiomsCode-level Physical designCode-level Coroutine machineryCompile-time & language mechanics Async compositionCompile-time & language mechanics UB & object lifetimeCompile-time & language mechanics Declaration styleCompile-time & language mechanics Lambda idiomsCompile-time & language mechanics Name lookup hygieneCompile-time & language mechanics Allocator awarenessMemory & performance Performance idiomsMemory & performance Code-size controlMemory & performance Global state & init orderMemory & performance String handlingText, numbers, time Integer hygieneText, numbers, time chrono disciplineText, numbers, time Comparators & hashingText, numbers, time C interop & ABIBoundaries & practice Freestanding & embedded subsetBoundaries & practice Feature detection & migrationBoundaries & practice Tooling-encoded idiomBoundaries & practice