advance/lifetime/intro #663
giscus[bot]
bot
Replies: 8 comments 10 replies
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这个部分我看了好几遍了。 |
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同 |
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第三遍了 |
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一样 |
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其实我觉得范型更难，看很多源码都是范型约束飞来飞起，好难看懂 |
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注意是泛型，generic有点集合论的味道 |
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有一些java泛型编程的经历，感觉泛型的难度主要还是在于Rust语言层面的不熟悉，我是把第二章其他看完后再看的，感觉就很顺滑。 |
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泛型很容易啊，至少比c++的泛型简单多了。 |
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哈哈哈，Java的泛型简单吧。 rust也一样，都是这样，方法处声明，参数处声明 |
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泛型属于入门之后的难关了 |
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刷第三遍，每次都有新的收获 |
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我要是知道设计者的脑子是咋想的就好了 |
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生命周期是为了解决什么问题呢？ |
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内存泄漏 |
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解决了悬垂指针，也就是内存安全问题，就是保证引用永远有效。内存泄漏是所有权解决的，而且 rust 并不能完全保证内存不泄露。别说 rust，就连 java 这种带 GC 的语言都可能内存泄露。 |
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我想知道sunface是怎么学会这么多的 |
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我所认为的理解生命周期的要点是： |
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advance/lifetime/intro
https://course.rs/advance/lifetime/intro.html
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