rustlings/exercises/move_semantics/move_semantics2.rs

31 lines
654 B
Rust
Raw Normal View History

2018-02-22 06:09:53 +00:00
// move_semantics2.rs
// Execute `rustlings hint move_semantics2` or use the `hint` watch subcommand for a hint.
// Expected output:
2023-06-12 10:07:18 +00:00
// vec0 has length 3, with contents `[22, 44, 66]`
// vec1 has length 4, with contents `[22, 44, 66, 88]`
// I AM NOT DONE
2018-11-09 19:31:14 +00:00
fn main() {
let vec0 = Vec::new();
let mut vec1 = fill_vec(vec0);
2023-06-12 10:07:18 +00:00
println!("{} has length {}, with contents: `{:?}`", "vec0", vec0.len(), vec0);
vec1.push(88);
2023-06-12 10:07:18 +00:00
println!("{} has length {}, with contents `{:?}`", "vec1", vec1.len(), vec1);
}
fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
let mut vec = vec;
vec.push(22);
vec.push(44);
vec.push(66);
vec
}