C++ Tricks, Tips, and Tidbits.md

Here is a list of "did you know..." or "tip of the day" statements about C++. They are intended to be informative and thought provoking without being very verbose.

• C++ first appeared in 1985
• C++ was first standardized in 1998
• A new version of C++ is released every 3 years since 2011
• C++14 can be considered a bugfix to C++11
• Lambdas are new types created for you by the compiler
• Only ::, ., and .* operators cannot be overloaded
• C++ is an ISO standard
• auto follows the same rules as template parameters
• [[nodiscard]] makes it a warning to ignore a return value
• [[nodiscard]] can be applied to both functions and types
• static_assert performs a compile-time check
• There are 3 main currently maintained C++ compiler implementations
• constexpr functions may be evaluated at compile-time
• constexpr values are evaluated at compile-time
• consteval functions must be evaluated at compile-time
• -Wall in GCC and Clang does not enable ALL warnings
• /Wall in MSVC DOES enable ALL warnings
• C++ has stricly defined object lifetime rules
• if constexpr allows for compile-time branching
• std::format provides python-like string formatting for C++
• C++23 added 2 new floating point types!
• In C++20, virtual functions can be constexpr
• enum struct and enum class are equivalent
• Unions can have constructors and member methods
• You can use unary operator+ to cast a stateless lambda to a function pointer
• C++ got its OOP features from Simula67 Programming language.
• The override keyword was added to the language in C++11.