C++20 – My Favourite Code Examples
summary
Walks through concrete C++20 code: replaces template overloads with concepts solve overload ambiguity using requires expressions; uses ranges and views are cheap but break const propagation to slice and transform vectors with sentinels and take/transform pipelines; shows compile-time computation with consteval, arrays and view pairs to return variable-length results; demonstrates jthread + stop_token and atomic_ref to avoid thread joins and races; notes format library and coroutines/modules are not yet portable and some GCC/MSVC diagnostics still lag.
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chapters (15)
- 0:00Start
- 2:11Function Template
- 2:37Function Templates
- 6:20Ambiguity Error
- 23:31Error Message
- 32:29Range Base for Loop
- 36:41Spaceship Operators
- 39:36Format Library
- 48:19Universal References
- 50:12Composers
- 53:26Match the Sizes
- 1:13:32Systays
- 1:14:31Illegitimate Operator Abuse
- 1:21:38Atomic Ref
- 1:28:01Modules
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