rustHow to convert YAML to struct in Rust

YAML (YAML Ain't Markup Language) is a human-readable data serialization language that can be used to convert data into a variety of data structures. In Rust, the serde_yaml crate can be used to convert YAML into a Rust struct.

Example code:

use serde::{Deserialize, Serialize};
use serde_yaml;

#[derive(Serialize, Deserialize)]
struct Person {
    name: String,
    age: u8,
}

fn main() {
    let yaml = r#"
        name: John
        age: 30
    "#;

    let person: Person = serde_yaml::from_str(yaml).unwrap();
    println!("{:?}", person);
}

Output example

Person { name: "John", age: 30 }

Code parts with detailed ## Explanation

1. use serde::{Deserialize, Serialize};: This imports the Deserialize and Serialize traits from the serde crate, which are needed to convert YAML into a Rust struct.

2. #[derive(Serialize, Deserialize)]: This is a Rust attribute macro that automatically implements the Serialize and Deserialize traits for the Person struct.

3. let yaml = r#" ... "#;: This creates a string literal containing the YAML data.

4. let person: Person = serde_yaml::from_str(yaml).unwrap();: This uses the from_str method from the serde_yaml crate to convert the YAML string into a Person struct.

5. println!("{:?}", person);: This prints the Person struct to the console.

Helpful links

• serde_yaml crate
• serde crate

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