Описание тега static-cast

From cppreference.com:

Converts between types using a combination of implicit and user-defined conversions. It has the form static_cast<new_type>(expression).

static_cast is the C++ cast operator used to convert from one type to another. It only uses information about the static type of the object being cast and not its dynamic type; i.e. using only information known at compile-time and not performing a run-time check. The conversion returns a value of type being converted to.

As with all cast expressions, the result is:

• an lvalue if new_type is an lvalue reference type or an rvalue reference to function type;
• an xvalue if new_type is an rvalue reference to object type;
• a prvalue otherwise.