English Dictionary

duck typing

noun

(programming) A style of dynamic typing in which an object's current set of methods and properties determines the valid semantics, rather than its inheritance from a particular class or implementation of a specific interface.

Duck typing allows objects to be treated as if they have certain types based on their behavior.

意味（1）

(programming) A style of dynamic typing in which an object's current set of methods and properties determines the valid semantics, rather than its inheritance from a particular class or implementation of a specific interface.

Ruby proponents call this duck typing:: if the variable responds to a message that asks it to quack like a duck and it quacks, it must be a duck. This is clearly different from the way that Java (and other strongly typed languages) work, […]