3 posts with #Cpp
Why std::expected matters for error handling C++23 introduced std::expected, changing how we handle errors without exceptions. When you combine it with std::error_code (available since C++11), you get an error handling approach that forces explicit error checks while keeping your code readable. The...
Practical cppstd 17 highlights by example Language Features Library Features Language Features Nested namespace definitions namespace A::B::C { // ... } // Rather than: namespace A { namespace B { namespace C { // ... } } } Structured bindings #include <map> #include <string> #include...
The standard library std::variant is a usefull feature, introduced since c++17, to define a type that can hold multiple alternative types. For example a cell of a CSV file could represent multiple data types such as a string or int. Declaring a new type std::variant<std::string, int> allows to...