C++ Pulse — new Atlas topics

Algorithms & ranges over raw loops (Code-level)

Tue, 06 Oct 2026 00:00:00 GMT

From <algorithm>+lambdas to composable lazy views.

Code-level · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Allocator awareness (Memory & performance)

Tue, 06 Oct 2026 00:00:00 GMT

allocator_traits, PMR, arenas, allocate_at_least.

Memory & performance · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

API boundaries & vocabulary types (Design)

Tue, 06 Oct 2026 00:00:00 GMT

span, optional, expected, enum class, strong types.

Design · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Async composition (Compile-time & language mechanics)

Tue, 06 Oct 2026 00:00:00 GMT

From futures to senders/receivers and structured concurrency.

Compile-time & language mechanics · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

C interop & ABI (Boundaries & practice)

Tue, 06 Oct 2026 00:00:00 GMT

extern C facades, opaque handles, out_ptr, #embed.

Boundaries & practice · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Casting discipline (Code-level)

Tue, 06 Oct 2026 00:00:00 GMT

Named casts, bit_cast, narrowing, punning.

Code-level · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

chrono discipline (Text, numbers, time)

Tue, 06 Oct 2026 00:00:00 GMT

Typed durations, clocks, calendars, zones.

Text, numbers, time · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Class design (Design)

Tue, 06 Oct 2026 00:00:00 GMT

=default/=delete, explicit, hidden friends, defaulted <=>.

Design · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Code-size control (Memory & performance)

Tue, 06 Oct 2026 00:00:00 GMT

extern template, erased cores, instantiation discipline.

Memory & performance · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Comparators & hashing (Text, numbers, time)

Tue, 06 Oct 2026 00:00:00 GMT

Transparent lookup, <=> rollout, hash composition.

Text, numbers, time · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Concurrency idioms (Code-level)

Tue, 06 Oct 2026 00:00:00 GMT

Locks, atomics, cancellation, lock-free reclamation.

Code-level · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Const & constexpr correctness (Core semantics)

Tue, 06 Oct 2026 00:00:00 GMT

Logical constness and the growing compile-time subset.

Core semantics · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Constraint style (Generic & compile-time)

Tue, 06 Oct 2026 00:00:00 GMT

From SFINAE to concepts and if constexpr.

Generic & compile-time · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Coroutine machinery (Compile-time & language mechanics)

Tue, 06 Oct 2026 00:00:00 GMT

Promise types, awaitables, symmetric transfer, generators.

Compile-time & language mechanics · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Customization points (Generic & compile-time)

Tue, 06 Oct 2026 00:00:00 GMT

ADL two-step, CPOs, tag_invoke, the member pivot.

Generic & compile-time · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Drill points:

ADL two-step mechanics
Why CPOs fix the using std::swap ritual
tag_invoke: one ADL name to rule them all
C++26 execution's pivot back to member functions

Declaration style (Compile-time & language mechanics)

Tue, 06 Oct 2026 00:00:00 GMT

auto policy, CTAD, structured bindings, placeholders.

Compile-time & language mechanics · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Error handling (Design)

Tue, 06 Oct 2026 00:00:00 GMT

Exceptions, expected/optional, noexcept, contracts.

Design · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Drill points:

Basic vs strong vs nothrow guarantees
noexcept as contract vs as optimization
Composing expected pipelines
Designing an error taxonomy (error_code vs enums vs types)

Feature detection & migration (Boundaries & practice)

Tue, 06 Oct 2026 00:00:00 GMT

Feature-test macros, shims, standard-by-standard adoption.

Boundaries & practice · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Freestanding & embedded subset (Boundaries & practice)

Tue, 06 Oct 2026 00:00:00 GMT

No-heap, no-exception C++ on constrained targets.

Boundaries & practice · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Global state & init order (Memory & performance)

Tue, 06 Oct 2026 00:00:00 GMT

Magic statics, inline variables, constinit.

Memory & performance · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Initialization (Core semantics)

Tue, 06 Oct 2026 00:00:00 GMT

Braces vs. parens, NSDMI, designated initializers, EB.

Core semantics · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Integer hygiene (Text, numbers, time)

Tue, 06 Oct 2026 00:00:00 GMT

Fixed widths, safe compares, saturating arithmetic.

Text, numbers, time · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Lambda idioms (Compile-time & language mechanics)

Tue, 06 Oct 2026 00:00:00 GMT

IIFE, init-capture, stateless lambdas, recursion.

Compile-time & language mechanics · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Move semantics (Core semantics)

Tue, 06 Oct 2026 00:00:00 GMT

std::move discipline, elision, relocation.

Core semantics · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Name lookup hygiene (Compile-time & language mechanics)

Tue, 06 Oct 2026 00:00:00 GMT

ADL control, namespaces, using enum.

Compile-time & language mechanics · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Named idioms (Generic & compile-time)

Tue, 06 Oct 2026 00:00:00 GMT

Pimpl, copy-and-swap, erase-remove, overloaded, scope guards.

Generic & compile-time · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Ownership & lifetimes (Core semantics)

Tue, 06 Oct 2026 00:00:00 GMT

RAII, smart pointers, observer conventions, rule of zero.

Core semantics · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Parameter passing (Core semantics)

Tue, 06 Oct 2026 00:00:00 GMT

In/out/in-out conventions, sinks, views, forwarding references.

Core semantics · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Drill points:

By-value vs const& crossover point
Sink params (value + move) vs perfect forwarding
Out-params vs multi-return with structured bindings
string_view / span<const T> as view parameters
Constraining forwarding references
ABI cost of passing unique_ptr by value

Performance idioms (Memory & performance)

Tue, 06 Oct 2026 00:00:00 GMT

reserve, noexcept moves, layout, hints, SIMD.

Memory & performance · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Physical design (Code-level)

Tue, 06 Oct 2026 00:00:00 GMT

Headers, ODR, inline variables, modules.

Code-level · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Polymorphism choice (Design)

Tue, 06 Oct 2026 00:00:00 GMT

virtual vs variant+visit vs type erasure vs CRTP.

Design · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

String handling (Text, numbers, time)

Tue, 06 Oct 2026 00:00:00 GMT

string_view rules, to_chars, format/print, encodings.

Text, numbers, time · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Tooling-encoded idiom (Boundaries & practice)

Tue, 06 Oct 2026 00:00:00 GMT

Warnings, clang-tidy, hardened libraries — style as code.

Boundaries & practice · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

UB & object lifetime (Compile-time & language mechanics)

Tue, 06 Oct 2026 00:00:00 GMT

launder, implicit lifetimes, start_lifetime_as, erroneous behavior.

Compile-time & language mechanics · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.

Value vs. reference semantics (Core semantics)

Tue, 06 Oct 2026 00:00:00 GMT

Regular types, when to copy, when identity matters.

Core semantics · traced through C++11, C++14, C++17, C++20, C++23, C++26 and C++29.