30 lines
732 B
Rust
30 lines
732 B
Rust
// move_semantics4.rs
|
|
// Refactor this code so that instead of having `vec0` and creating the vector
|
|
// in `fn main`, we instead create it within `fn fill_vec` and transfer the
|
|
// freshly created vector from fill_vec to its caller.
|
|
// Execute `rustlings hint move_semantics4` for hints!
|
|
|
|
// I AM NOT DONE
|
|
|
|
fn main() {
|
|
let vec0 = Vec::new();
|
|
|
|
let mut vec1 = fill_vec(vec0);
|
|
|
|
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
|
|
|
|
vec1.push(88);
|
|
|
|
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
|
|
}
|
|
|
|
// `fill_vec()` no longer take `vec: Vec<i32>` as argument
|
|
fn fill_vec() -> Vec<i32> {
|
|
let mut vec = vec;
|
|
|
|
vec.push(22);
|
|
vec.push(44);
|
|
vec.push(66);
|
|
|
|
vec
|
|
}
|