Stop Using Sentinel Values: Explicit Absence with std::optional
Stop relying on -1 or nullptr to signal missing data. Learn how std::optional provides a type-safe, explicit way to handle absence in C++17 and beyond.
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cppEmbracing C++17 std::optional: A Practical Guide to Safer Nullable Values
Discover how C++17’s std::optional replaces raw pointers and sentinel values, with a clear example, performance notes, and actionable guidance for modern codebases.