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rustlings/solutions/06_move_semantics/move_semantics4.rs

21 lines
544 B
Rust

fn main() {
// You can optionally experiment here.
}
#[cfg(test)]
mod tests {
// TODO: Fix the compiler errors only by reordering the lines in the test.
// Don't add, change or remove any line.
#[test]
fn move_semantics4() {
let mut x = Vec::new();
let y = &mut x;
// `y` used here.
y.push(42);
// The mutable reference `y` is not used anymore,
// therefore a new reference can be created.
let z = &mut x;
z.push(13);
assert_eq!(x, [42, 13]);
}
}