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Example 1: fn main() { let mut shopping_list: Vec<&str> = Vec::new(); shopping_list.push("milk"); } Example 2: struct Wrapper<T> { value: T, } impl<T> 阅读全文
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A baisc iter: #[test] fn main() { let my_fav_fruits = vec!["banana", "custard apple", "avocado", "peach", "raspberry"]; let mut my_iterable_fav_fruits 阅读全文
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function thankYouTag(arrayOfStrings,firstExpression, secondExpression, ...) { console.log( arrayOfStrings, // ["This is the first one ", " This is ano 阅读全文
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Symbol.for("key") Checks if a symbol with the key "key" already exists in the globals symbol registry. If yes, it returns the existing symbol, otherwi 阅读全文
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Difference betwen require and import require can be called conditionally, while the import statement cannot import statements are hoisted, but require 阅读全文
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Generator can run with for .. of and ..., which will only emit yield values For example: function* count() { yield 1; yield 2; return 3; } for (const 阅读全文
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Create a new User instance would create a new login function in memory each time? class User { constructor(username) { this.username = username; } log 阅读全文
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use std::sync::mpsc; use std::thread; use std::time::Duration; fn main() { let (tx, rx) = mpsc::channel(); thread::spawn(move || { let vals = vec![ St 阅读全文
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A channel has two halves: a transmitter and a receiver. The transmitter half is the upstream location where you put rubber ducks into the river, and t 阅读全文
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Arc<T> is a type like Rc<T> that is safe to use in concurrent situations. The a stands for atomic, meaning it’s an atomically reference counted type. 阅读全文