[RUST/COMMON] type_name 메소드 : 타입명 구하기

■ type_name 메소드를 사용해 타입명을 구하는 방법을 보여준다.

▶ 예제 코드 (RS)


use std::any::type_name;

fn type_of<T>(_: T) -> &'static str
{
    type_name::<T>()
}

fn main()
{
    let a = 100u8;
    let b = 100i128;
    let c = 10_000;

    println!("a = {:>5} ({:4})", a, type_of(a));
    println!("b = {:>5} ({:4})", b, type_of(b));
    println!("c = {:>5} ({:4})", c, type_of(c));
}

/*
a =   100 (u8  )
b =   100 (i128)
c = 10000 (i32 )
*/

use std::any::type_name;

fn type_of<T>(_: T) -> &'static str

{

type_name::<T>()

}

fn main()

{

let a = 100u8;

let b = 100i128;

let c = 10_000;

println!("a = {:>5} ({:4})", a, type_of(a));

println!("b = {:>5} ({:4})", b, type_of(b));

println!("c = {:>5} ({:4})", c, type_of(c));

}

a = 100 (u8 )

b = 100 (i128)

c = 10000 (i32 )