[RUST/COMMON] .. 키워드 : 구조체 복사하기

■ .. 키워드를 사용해 구조체를 복사하는 방법을 보여준다.

▶ 예제 코드 (RS)


struct Person
{
    name : String,
    age  : i32
}

impl Person
{
    fn new(name : &str, age : i32) -> Self
    {
        return Self { name: name.to_string(), age };
    }
}

fn main()
{
    let person1 : Person = Person::new("Alex", 18);

    let person2 : Person = Person
    {
        name : String::from("Betty"),
        ..person1
    };

    println!("{},{}", person1.name, person1.age);
    println!("{},{}", person2.name, person2.age);
}

struct Person

{

name : String,

age : i32

}

impl Person

{

fn new(name : &str, age : i32) -> Self

{

return Self { name: name.to_string(), age };

}

fn main()

{

let person1 : Person = Person::new("Alex", 18);

let person2 : Person = Person

{

name : String::from("Betty"),

..person1

};

println!("{},{}", person1.name, person1.age);

println!("{},{}", person2.name, person2.age);

}