[RUST/COMMON] print! 매크로 : 문자열 출력하기

■ print! 매크로를 사용해 문자열을 출력하는 방법을 보여준다.

▶ 예제 코드 (RS)


fn main()
{
    for y in 1..10
    {
        for x in 1..10
        {
            if x < 9
            {
                print!("{:3},", x * y);
            }
            else
            {
                println!("{:3}", x * y);
            }
        }
    }
}

/*
  1,  2,  3,  4,  5,  6,  7,  8,  9
  2,  4,  6,  8, 10, 12, 14, 16, 18
  3,  6,  9, 12, 15, 18, 21, 24, 27
  4,  8, 12, 16, 20, 24, 28, 32, 36
  5, 10, 15, 20, 25, 30, 35, 40, 45
  6, 12, 18, 24, 30, 36, 42, 48, 54
  7, 14, 21, 28, 35, 42, 49, 56, 63
  8, 16, 24, 32, 40, 48, 56, 64, 72
  9, 18, 27, 36, 45, 54, 63, 72, 81
*/

fn main()

{

for y in 1..10

{

for x in 1..10

{

if x < 9

{

print!("{:3},", x * y);

}

else

{

println!("{:3}", x * y);

}

1, 2, 3, 4, 5, 6, 7, 8, 9

2, 4, 6, 8, 10, 12, 14, 16, 18

3, 6, 9, 12, 15, 18, 21, 24, 27

4, 8, 12, 16, 20, 24, 28, 32, 36

5, 10, 15, 20, 25, 30, 35, 40, 45

6, 12, 18, 24, 30, 36, 42, 48, 54

7, 14, 21, 28, 35, 42, 49, 56, 63

8, 16, 24, 32, 40, 48, 56, 64, 72

9, 18, 27, 36, 45, 54, 63, 72, 81