摘要：
Mutate the Vec: fn vec_loop(mut v: Vec<i32>) -> Vec<i32> { for element in v.iter_mut() { // Fill this up so that each element in the Vec `v` is // mul 阅读全文
摘要：
Intro to Array.prototype.with(index, value) const ages = [10, 15, 20, 25]; const newAges = ages.with(1, 16); console.log(newAges); // [10, 16, 20, 25] 阅读全文
摘要：
Example 1: trait AppendBar { fn append_bar(self) -> Self; } impl AppendBar for String { fn append_bar(mut self) -> Self { self.push_str("Bar"); return 阅读全文
摘要：
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
摘要：
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
摘要：
function thankYouTag(arrayOfStrings,firstExpression, secondExpression, ...) { console.log( arrayOfStrings, // ["This is the first one ", " This is ano 阅读全文
摘要：
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
摘要：
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
摘要：
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
摘要：
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