use bincode::{serialize, deserialize, config};use flate2::{Compression, read::DeflateEncoder, write::DeflateDecoder};fnmain(){letnumbers=vec![1,2,3,4,5];// Serializeletencoded:Vec<u8>=serialize(&numbers).unwrap(
6. 使用 BufWriter 写入压缩文件 usestd::fs::File;usestd::io::{BufWriter,Write};useflate2::Compression;useflate2::write::GzEncoder; fn main() -> std::io::Result<()> {let file = File::create('data.gz')?;let encoder = GzEncoder::new(file, Compression::default());let mut writer...
write_with_encoder(encoder).map_err(|e| JsValue::from_str(&format!("{}", e)))?; Ok(encoded_buf) } 确保你的Cargo.toml文件中包含必要的依赖项: toml [lib] crate-type = ["cdylib"] [dependencies] wasm-bindgen = "0.2" qrcode = "0.11" image = "0.23" 然后,使用wasm-pack...
// these options were chosen since// they offered the best balance// between speed and compression// during testingCompressionType::Default,FilterType::NoFilter,);img_buf.write_with_encoder(encoder)?
returnjson.NewEncoder(file).Encode(results)// 将结果写入文件 } 在Rust 中,你可能需要多个外部包来实现相同的功能: use reqwest; #对于 http请求 use serde::{Deserialize, Serialize}; use std::fs::File; use std::io::Write; #[derive(Serialize, Deserialize)] ...
pubfnwrite(&mutself,path:&str,data:&[u8]){// 载入内存时使用Deflate 算法压缩以便节省内存空间letmutencoder=Encoder::new(Vec::new());encoder.write_all(&data).unwrap();self.files.insert(calculate_hash(&path.to_string().as_bytes()),InternalFile{path:path.to_string(),data:encoder.finish(...
├── index.js:这个就是最终被 ECMAScript 项目引用的模块文件,里边包含我们定义的方法以及一些自动生成的胶水函数,利用 TextEncoder 实现内存之间的数据通信。 js 调用 import * as wasm from "./pkg"; wasm.digest('xxx'); 构建出的 wasm pkg 包引入 web 项目中,使用 webpack@4 进行打包编译,甚至不需要...
FailCreateFileEncoder:表示创建文件编码器失败的错误。 FailSeekFile:表示寻找文件失败的错误。 FailWriteFile:表示写入文件失败的错误。 CrateNotPanicRuntime:表示crate不符合panic运行时要求的错误。 NoPanicStrategy:表示没有指定panic策略的错误。 ProfilerBuiltinsNeedsCore:表示profile内置功能需要core库的错误。
Don't see something you want or need here?Not Yet Awesome Embedded Rust The Rust on ESP Book- This book aims to provide a comprehensive guide on using the Rust programming language with Espressif SoCs and modules. Embedded Rust (no_std) on Espressif ...
If you look at the above JavaScript codes, this is exactly what has been executed automatically. The "helloworld" function first calls "passStringToWasm". This function creates some memory space in WebAssembly, converts your string to numbers, writes the numbers to the memory space, and return...