复合类型可以将多个值组合成一个类型。Rust 有两种基本的复合类型:元组(tuple)和数组(array)。 元组类型 元组是将多种类型的多个值组合到一个复合类型中的一种基本方式。元组的长度是固定的:声明后,它们就无法增长或缩小。 我们通过在小括号内写入以逗号分隔的值列表来创建一个元组。元组中的每个位置都有一个类型...
用.来进行下标访问,,, Array 数组中的变量只能拥有同一类型,同样无法改变大小。 fn main() { let a = [1, 2, 3, 4, 5]; } 更常用的可能是vector,跟 C++ 比较相似。 可以手动指定类型和大小。 let a: [i32; 5] = [1, 2, 3, 4, 5]; 可以指定默认元素和大小。 let a = [3; 5]; // ...
#[wasm_bindgen]pubfnprint_values(js_number:i32,js_boolean:bool,js_uint8_array:&[u8],js_number_array:Vec<i32>){console_log(format!("js number: {}",js_number));console_log(format!("js boolean: {}",js_boolean));foriteminjs_uint8_array{console_log(format!("js Uint8Array item: {...
AI代码解释 /// Wrap the given `expr` in a terminating scope using `hir::ExprKind::DropTemps`./// In terms of drop order, it has the same effect as wrapping `expr` in/// `{ let _t = $expr; _t }` but should provide better compile-time performance./// The drop order can be...
// 解析输出数组:features=Array([Short("awesome"), Short("easyAPI"), Short("lowLearningCurve")]) // 解析输出数组元素:0=awesome // 解析输出数组元素:1=easyAPI // 解析输出数组元素:2=lowLearningCurve 1. 2. 3. 4. 5. 6. 7.
fizyk20/generic-array - a hack to allow for arrays sized by typenums garro95/priority-queue[priority-queue] - A priority queue that implements priority changes. greyblake/nutype [nutype] - define newtype structures with validation constraints. mrhooray/kdtree-rs - K-dimensional tree for fast...
[T]) -> &T { let mut max_index = 0; let mut i = 0; while i < array.len() { if array[i].compare(&array[max_index]) > 0 { max_index = i; } i = i + 1; } &array[max_index] } fn main() { let a = [1.0,6.0,1.0,5.0,2.0]; println!("the max value is {}"...
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The _ parameter The simple loop The while condition Prematurely terminating a loop Using loop labels Recursive functions What is the difference between having and not having a semicolon? Summary Remember Remember Let's start at the beginning The stack frame What is meant by the stack? Let's co...