export module foo; import bar; // imports all module interface units of module bar import :baz; // imports the so-named module partition baz of module foo import <set>; // imports a synthesized header unit …

Import declarations can be exported in a module interface unit. That is, if module B export-imports A, then importing B will also make visible all exports from A.

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Library contents The C++ standard library provides definitions for the entities and macros described in the synopses of the C++ standard library headers, unless otherwise specified. All library entities …

The identifiers with special meaning (final, import, module (since C++20) and override) are used explicitly in a certain context rather than being regular identifiers.

2) Searches for a source file identified by q-char-sequence and replaces the directive by the entire contents of the source file. It may fallback to (1) and treat q-char-sequence as a header identifier.

The next generation of the C++ standard. The current IS schedule for C++26: P1000R6 (2024-05-14).

Parallel algorithms (since C++17) A parallel algorithm is a function template in the algorithms library with a template parameter named ExecutionPolicy or constrained by execution-policy (since C++26). …

Also, all identifiers that contain a double underscore __ in any position and each identifier that begins with an underscore followed by an uppercase letter is always reserved, and all identifiers that begin …

Stream-based I/O The stream-based input/output library is organized around abstract input/output devices. These abstract devices allow the same code to handle input/output to files, memory …