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Everything about Constexpr

C/C++ specifier referring to constant expression

constexpr is a specifier keyword in the C and C++ programming languages which, roughly speaking, specifies that something may be evaluated at compile time. Unlike the usual const, which specifies read-only access, constexpr is a stronger form that implies const. While in C this is limited only to objects, constexpr may be used on objects, functions, or structured bindings in C++. Wikipedia →

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