Virtual Jun 2021

June 2021 plenary · adopted into C++23
28papers adopted
17features touched
← Virtual Feb 2021Virtual Oct 2021 →

Ranges: C++20 defect fixes

5 papers
P2210R2Superior String SplittingC++23P2281R1Clarifying range adaptor objectsC++23P2325R3Views should not be required to be default constructibleC++23P2328R1join_view should join all views of rangesC++23P2367R0Remove misuses of list-initialization from Clause 24C++23

Smart pointers & allocators

3 papers
P0401R6Providing size feedback in the Allocator interfaceC++23P1132R8out_ptr - a scalable output pointer abstractionC++23P1518R2Stop overconstraining allocators in container deduction guidesC++23

Character sets & encodings (C++23)

2 papers
P1949R7C++ Identifier Syntax using Unicode Standard Annex 31C++23P2201R1Mixed string literal concatenationC++23

Core & Library issue resolutions

2 papers
P2385R0C++ Standard Library Issues to be moved in Virtual Plenary, June 2021C++23P2386R0Core Language Working Group “ready” Issues for the June, 2021 meetingC++23

Library constexpr-ification (C++23)

2 papers
P1328R1Making std::type_info::operator== constexprC++23P2231R1Missing constexpr in std::optional and std::variantC++23

Small language features (C++23)

2 papers
P1401R5Narrowing contextual conversions to boolC++23P1847R4Make declaration order layout mandatedC++23

Strings & string_view

2 papers
P1989R2Range constructor for std::string_view 2: Constrain HarderC++23P2166R1A Proposal to Prohibit std::basic_string and std::basic_string_view construction from nullptrC++23

Attributes

1 paper
P2156R1Allow Duplicate AttributesC++23

Deprecations & removals

1 paper
P2186R2Removing Garbage Collection SupportC++23

if consteval

1 paper
P1938R3if constevalC++23

iostreams & file streams

1 paper
P0448R4A strstream replacement using span as bufferC++23

Preprocessor (C++23)

1 paper
P2223R2Trimming whitespaces before line splicingC++23

Ranges: new views & algorithms (C++23)

1 paper
P1659R3starts_with and ends_withC++23

std::format & std::print (C++23)

1 paper
P2216R3std::format improvementsC++23

tuple, pair & variant

1 paper
P1951R1Default Arguments for pair's Forwarding ConstructorC++23

Type-erased callables

1 paper
P2136R3invoke_rC++23

Utilities & type traits

1 paper
P1425R4Iterators pair constructors for stack and queueC++23