mirror of https://github.com/KaiserY/trpl-zh-cn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
14 lines
320 B
14 lines
320 B
3 years ago
|
fn main() {
|
||
|
|
// ANCHOR: here
|
||
|
|
let v = vec![1, 2, 3, 4, 5];
|
||
|
|
|
||
|
|
let third: &i32 = &v[2];
|
||
|
|
println!("The third element is {}", third);
|
||
|
|
|
||
|
|
match v.get(2) {
|
||
|
|
Some(third) => println!("The third element is {}", third),
|
||
|
|
None => println!("There is no third element."),
|
||
|
|
}
|
||
|
|
// ANCHOR_END: here
|
||
|
|
}
|