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fn read_lines_borrowed<'a>() -> Vec<&'a str> {
let raw_lines: Vec<String> = vec!["foo ".to_string(), " bar".to_string()];
raw_lines.iter().map(|l| l.trim()).collect()
//~^ ERROR cannot return value referencing local variable `raw_lines`
}
fn main() {
println!("{:?}", read_lines_borrowed());
}
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