카타 8급 Opposite number

1 C

float opposite(float num) {
  return -num;
}

2 C++

int opposite(int number) {
  return -number;
}

3 Kotlin

fun opposite(number: Int): Int {
  return -number
}

fun opposite(number: Int): Int = -number

fun opposite(number: Int) = -number

val opposite = Int::unaryMinus

4 PHP

function opposite($n) {
  return -$n;
}

5 R

opposite <- function(number){
  -number
}

6 같이 보기

• 단항연산자 -