在实际编程中,可能会出现泛型引用这种情况,我们会编写如下的代码:
struct Inneramp;amp;lt;'a, Tamp;amp;gt; {
data: amp;amp;amp;'a T,
}
会产生编译错误:
error: the parameter type `T` may not live lo ...……
Every programming language has tools for effectively handling the duplication of concepts. In Rust, one such tool is generics. Generics are abstract stand-ins for concrete types or other properties.
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