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c2a01888e1
Some more reading required on the following: - `move_semantics` aka ownership and borrowing. - `enums` especially using with match expressions.
26 lines
642 B
Rust
26 lines
642 B
Rust
// move_semantics3.rs
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// Make me compile without adding new lines-- just changing existing lines!
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// (no lines with multiple semicolons necessary!)
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// Execute `rustlings hint move_semantics3` or use the `hint` watch subcommand for a hint.
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fn main() {
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let mut vec0 = Vec::new();
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let mut vec1 = fill_vec(&mut vec0);
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println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
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vec1.push(88);
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println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
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}
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fn fill_vec(vec: &mut Vec<i32>) -> &mut Vec<i32> {
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let vec = vec;
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vec.push(22);
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vec.push(44);
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vec.push(66);
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return vec;
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}
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