portersky/cppcourse

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porterskyandQwen 3.8 27B 808fa0f7bd docs: add C++ scratchpad notes

Collect new C++ features to cover, design patterns, and compiler
options for catching undefined behavior.

Co-authored-by: Qwen 3.8 27B <qwen3.8_27b-q3_k_xl@lmstudio.local>

2026-10-05 11:58:42 +02:00

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C++ Scratchpad

New features in C++

23 and 26
r-value (and the values that I forgor)

Patterns

CRTP

compiler options that make undefined an error

-fsanitize=undefined
chk_add(), chkd_sub(), chkd_mul()
non-portable ways to check CPU overflow
- msvc intsafe.h

Design Patterns