29 lines
724 B
Rust
29 lines
724 B
Rust
// move_semantics4.rs
|
|
// Refactor this code so that instead of passing `vec0` into the `fill_vec` function,
|
|
// the Vector gets created in the function itself and passed back to the main
|
|
// function.
|
|
// Execute `rustlings hint move_semantics4` or use the `hint` watch subcommand for a hint.
|
|
|
|
fn main() {
|
|
// let vec0 = Vec::new();
|
|
|
|
let mut vec1 = fill_vec();
|
|
|
|
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
|
|
|
|
vec1.push(88);
|
|
|
|
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
|
|
}
|
|
|
|
// `fill_vec()` no longer takes `vec: Vec<i32>` as argument
|
|
fn fill_vec() -> Vec<i32> {
|
|
let mut vec = Vec::new();
|
|
|
|
vec.push(22);
|
|
vec.push(44);
|
|
vec.push(66);
|
|
|
|
vec
|
|
}
|