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Make an example more idiomatic #22

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Make an example more idiomatic #22

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4 changes: 2 additions & 2 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -1644,8 +1644,8 @@ Recursion works in Rust too, so this sort of function does work:

```rust
fn print_vec(mut input: Vec<i32>) {
if !input.is_empty() { // note the !
println!("{}", input.pop().unwrap());
if let Some(last) = input.pop() {
println!("{}", last);
print_vec(input); // calling the same function
} else {
println!("All done!");
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