数字切片: [u8], [i8], [u16], [i16], [u32], [i32], [u64], [i64], [f32], [f64], [MaybeUninit<u8>], [MaybeUninit<i8>], [MaybeUninit<u16>], [MaybeUninit<i16>], [MaybeUninit<u32>], [MaybeUninit<i32>], [MaybeUninit<u64>], [MaybeUninit<i64>], [MaybeUninit<f32>], 和 [MaybeUninit<f64>]

T 参数&T 参数&mut T 参数T 返回值Option<&T> 参数Option<T> 返回值JavaScript 表示
否是是否否否Wasm 内存中适当类型的装箱切片的 JavaScript TypedArray 视图 (Int32Array, Uint8Array 等)

注意: 数值 MaybeUninit<T> 在从 Rust 传输到 JS 和从 JS 传输到 Rust 时始终可以假定为已初始化。但是，来自 Rust 的未初始化值可能包含未指定的值。

Rust 用法示例

#![allow(unused)]
fn main() {
use wasm_bindgen::prelude::*;

#[wasm_bindgen]
pub fn take_number_slice_by_shared_ref(x: &[f64]) {}

#[wasm_bindgen]
pub fn take_number_slice_by_exclusive_ref(x: &mut [u8]) {}
}

JavaScript 用法示例

import {
  take_number_slice_by_shared_ref,
  take_number_slice_by_exclusive_ref,
} from './guide_supported_types_examples';

take_number_slice_by_shared_ref(new Float64Array(100));
take_number_slice_by_exclusive_ref(new Uint8Array(100));