binks 0.1.23

extend str {
    fn repeat(self, times) {
        return self * times
    }
}

fn wave(top) {
    let c = 0
    while c < top {
        let x = 2
        while x < 7 {
            !" ".repeat(x**2+10) + "*\n"
            x = x + 1
        }
        x = 3
        while x > -4 {
            !" ".repeat(x**2*-1+62) + "*\n"
            x = x - 1
        }
        x = -6
        while x < -1 {
        !" ".repeat(x**2+10) + "*\n"
        x = x + 1 
        }
        x = -3
        while x < 4 {
            !" ".repeat(x**2) + "*\n"
            x = x + 1
        }
        c = c + 1
    }    
}