19 lines
357 B
Rust
19 lines
357 B
Rust
fn main() {
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let arr = [1, 2, 5];
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let slice = &arr;
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for i in slice {
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println!("w {}", i);
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}
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for j in arr {
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println!("ww {}", j);
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}
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let first = slice.get(0).unwrap();
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let last = if slice.get(3).is_some() {
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slice.get(3).unwrap()
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} else {
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&-1
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};
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println!("f {} l {}", first, last);
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}
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