compound-types/tuple #188
giscus[bot]
bot
Replies: 55 comments 6 replies
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第3题为什么12个元素可以打印，13个元素就不能打印，这是哪里规定的 |
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Why is tuple formatting limited to 12 items in Rust? |
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@LiYpoi，谢谢指引 |
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变量不可以只定义不绑定值，第五题，元组可以只定义，不绑定值吗？ |
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可以先定义，再绑定值，但不能不绑定值。 |
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2022.11.14 Done. |
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done lala~ |
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mark finished |
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Done, It's Easy |
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第五题： fn main() {
let (x, y, z);
// 填空
(y,z,x) = (1, 2, 3);
assert_eq!(x, 3);
assert_eq!(y, 1);
assert_eq!(z, 2);
}我自己没有按照要求填空也成功，但没明白其中的原因，是第一句的声明已经给元祖中的做变量绑定了吗？ fn main() {
let (x, y, z): (i32, i32, i32);
// 填空
let (y,z,x) = (1, 2, 3);
assert_eq!(x, 3);
assert_eq!(y, 1);
assert_eq!(z, 2);
} |
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第一行 你这里两个 |
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Done >>>>>>>>>>>>>>>>>> |
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compound-types/tuple
Learning Rust By Practice, narrowing the gap between beginner and skilled-dev with challenging examples, exercises and projects.
https://zh.practice.rs/compound-types/tuple.html
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