August 2020
Intermediate to advanced
1496 pages
56h 25m
Polish
Content preview from Python
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Rozdział 35. Obiekty wyjątków
Dotychczas luźno deliberowaliśmy o tym, czym tak naprawdę jest wyjątek. Jak wspomniano w poprzednim rozdziale, w Pythonie 2.6 oraz 3.0 zarówno wyjątki wbudowane, jak i zdefiniowane przez użytkownika są identyfikowane przez obiekty instancji klas. Wyjątki są zgłaszane i eskalowane w procesie ich obsługi, a źródłowa klasa wyjątku jest porównywana z klasami wymienionymi w instrukcji try.
Oznacza to co prawda, że w celu zdefiniowania nowych wyjątków w programach konieczne jest korzystanie z programowania zorientowanego obiektowo (wymagające przyswojenia wiedzy, której pełne wyłożenie zostało odłożone do tego rozdziału), jednak klasy i ten typ programowania mają kilka niezaprzeczalnych zalet.
Poniżej wymieniono kilka ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.