вот вы кобол не изучали, да?

[juan_gandhi]

The original COBOL specification supported self-modifying code via the infamous "ALTER X TO PROCEED TO Y" statement. X and Y are paragraph labels, and any "GOTO X" statements executed after such an ALTER statement have the meaning "GOTO Y" instead.

Comments

[rezkiy.livejournal.com]

это не селф-модифайинг код, а виртуальные функции.