Rust: wsd is an intuitive crate delivers What Simply Defined

• Crate: https://crates.io/crates/wsd
• Documents: https://docs.rs/wsd
• Add dependency to your Cargo.toml [dependencies] wsd = "1.0.0"

  Native JSON for Rust

```rust use std::collections::HashMap; use wsd::json::*;

fn main() { let mut json = json!{ name: "native json", style: { color: "red", size: 12, bold: true, range: null }, array: [5,4,3,2,1], vector: vec![1,2,3,4,5], hashmap: HashMap::from([("a", 1), ("b", 2), ("c", 3)]), students: [ {name: "John", age: 18}, {name: "Jack", age: 21}, ], };

// Native access
json.style.size += 1;
json.students[0].age += 2;

// Stringify
let text = json.stringify(4);

// Parse
json.hashmap.clear();
if let Err(e) = json.parse(&text) {
    println!("error: {}", e);
}

println!("json.hashmap = {:#?}", json.hashmap);

} ```

Most simple way to make http request

Get

rust fn test() { wsd::http::get("https://docs.rs/", |data| { println!("status = {}, data = {}", data.status(), data.text()); }); }

Post

rust fn test() { wsd::http::post("https://docs.rs/", "{id: 100}", |data| { println!("status = {}, data = {}", data.status(), data.text()); }); }

Request

rust use wsd::http::*; fn test() { let mut c = Request::new(Method::POST, "https://docs.rs"); c.gzip(true); c.timeout(5.0); c.header("TOKEN", "1234567890"); c.send("{id: 100}", |data| { println!("Data: {}", data.text()); println!("Headers: {:#?}", data.headers()); }); }

Intutive File Class

Just a convenient wrapper to rust File, check the return value quickly as we did with C API, don't need to check the Result, and unwrap() etc.

Example

```rust using wsd::fs::*;

fn test() -> i32 { let mut f = File::new(); if f.open("test.txt", OCREATE | ORW) != 0 { // check the error println!("Error: {}", f.error()); return -1; }

let data = "Hello World!";
let n = f.write(data);
if n < 0 {
    // write error
}

f.rewind();
let mut buf = [0; 4096];
let n = f.read(&mut buf);
if n > 0 {
    // success to read n bytes
}

f.seek(256, SEEK_SET);
f.write("more data");

f.close();

return 0;

}

```

Methods

rust File::new() File::open() File::read() File::write() File::close() File::error() File::path() File::seek() File::position() File::length() File::is_none()

Open flags

rust O_CREATE O_TRUNCATE O_RW O_READ O_WRITE O_APPEND O_NONBLOCK

Seek flags

rust SEEK_SET SEEK_CUR SEEK_END