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Solve more move exercises (#4)

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Jonathan Zernik 2022-06-06 22:20:50 -07:00 committed by GitHub
parent 84a6c64b2a
commit 5ee9780355
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2 changed files with 5 additions and 6 deletions
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4
exercises/move_semantics/move_semantics3.rs
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@ -3,8 +3,6 @@
// (no lines with multiple semicolons necessary!) // (no lines with multiple semicolons necessary!)
// Execute `rustlings hint move_semantics3` for hints :) // Execute `rustlings hint move_semantics3` for hints :)
// I AM NOT DONE
fn main() { fn main() {
let vec0 = Vec::new(); let vec0 = Vec::new();
@ -17,7 +15,7 @@ fn main() {
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1); println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
} }
fn fill_vec(vec: Vec<i32>) -> Vec<i32> { fn fill_vec(mut vec: Vec<i32>) -> Vec<i32> {
vec.push(22); vec.push(22);
vec.push(44); vec.push(44);
vec.push(66); vec.push(66);

7
exercises/move_semantics/move_semantics4.rs
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@ -7,9 +7,9 @@
// I AM NOT DONE // I AM NOT DONE
fn main() { fn main() {
let vec0 = Vec::new(); // let vec0 = Vec::new();
let mut vec1 = fill_vec(vec0); let mut vec1 = fill_vec();
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1); println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
@ -20,7 +20,8 @@ fn main() {
// `fill_vec()` no longer takes `vec: Vec<i32>` as argument // `fill_vec()` no longer takes `vec: Vec<i32>` as argument
fn fill_vec() -> Vec<i32> { fn fill_vec() -> Vec<i32> {
let mut vec = vec; // let mut vec = vec;
let mut vec = Vec::new();
vec.push(22); vec.push(22);
vec.push(44); vec.push(44);