前ぜん方ぽう宣せん言げん

noun

forward declaration

In programming, a declaration of an identifier before its full definition, used to allow mutual recursion or to organize code.

• C++では、前ぜん方ぽう宣せん言げんを使つかってクラスの相そう互ご参さん照しょうを実じつ現げんできる。

  In C++, you can achieve mutual references between classes using forward declarations.