June 2020
Intermediate to advanced
328 pages
6h 45m
German
Content preview from Go – Das PraxisbuchBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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13Interfaces
13.1Bessere Abstraktion mit Interfaces
- Wozu werden Interfaces verwendet?
- Wie wird ein Interface definiert?
Eines der wichtigsten Konzepte in Go ist die strenge Typisierung. Für alle Variablen benötigen wir immer einen Typ. Wenn wir zu einer Variablen einmal einen Typ definiert haben, kann sich dieser auch nicht mehr ändern. Das ist sehr praktisch, denn beim Aufruf einer Funktion ist somit sichergestellt, dass die zugehörigen Variablen auch dem richtigen Typ entsprechen.
Abb. 13–1 Interfaces definieren Eigenschaften, damit die richtigen Typen im Kasten landen.
Es gibt aber auch Bereiche, in denen unser Code mit unterschiedlichen ...
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