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Provide a simple GSL utility to replace static_cast<void>

Status: Open.

#2319 In isocpp/CppCoreGuidelines;

· GabrielDosReis opened on Mar 5, 2026

Add note to C.30 (or new CP rule) for explicit destructors in classes with concurrency dependencies to prevent UB from member destruction order

Status: Open.

#2316 In isocpp/CppCoreGuidelines;

· rainy-juzixiao opened on Feb 19, 2026

Update guidelines for existence of C++20 modules

Status: Open.

#2295 In isocpp/CppCoreGuidelines;

· jmafc opened on Oct 22, 2025

ES.107 (and others) never mentions std::ssize()

Status: Open.

#2294 In isocpp/CppCoreGuidelines;

· jarzec opened on Oct 17, 2025

T.46 contradicts the idea of type traits and is not resource-friendly

Status: Open.

#2281 In isocpp/CppCoreGuidelines;

· kitsnet opened on Aug 1, 2025

[Update Needed, No Longer Always True Since C++23] F.19: For “forward” parameters, pass by TP&& and only std::forward the parameter

Status: Open.

#2277 In isocpp/CppCoreGuidelines;

· yaoxinliu opened on Jun 7, 2025

Use std::atomic<bool> instead of std::atomic_flag unless you have a good reason

Status: Open.

#2234 In isocpp/CppCoreGuidelines;

· eisenwave opened on Nov 8, 2024

Should SF.7 avoid to limit its applicability to when the directive is at global scope?

Status: Open.

#2208 In isocpp/CppCoreGuidelines;

· Aster89 opened on Jun 24, 2024

Exception to ES.63 for base type without any data member

Status: Open.

#2206 In isocpp/CppCoreGuidelines;

· hwisungi opened on Jun 13, 2024

Should ES.23 mention that ()-initialization is likely to be preferrable when dealing with containers containing types initializable from the container itself

Status: Open.

#2205 In isocpp/CppCoreGuidelines;

· Aster89 opened on Jun 12, 2024

C++ Core Guidelines Markdown explicit anchor links not working (updated the 20/05/2024)

Status: Open.

#2198 In isocpp/CppCoreGuidelines;

· Lob2018 opened on May 10, 2024

Should/can Expects and Ensures be macros?

Status: Open.

#2182 In isocpp/CppCoreGuidelines;

· hsutter opened on Feb 21, 2024