定义数组(byrust)

fn main(){
	let a = [1,2,3,4,5];
	let b = [0;20];
	println!("{}",a.len());
	println!("{}",b.len());
	println!("{:?}",a);
	println!("{:?}",b);
	for x in a.iter(){
		println!("{}",x);
	}	
	for x in b.iter(){
		println!("{}",x)
	}
}

5
20
[1, 2, 3, 4, 5]
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
1
2
3
4
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0