Hi,
It could probably be improved by having a Reader::operate method which wraps
some code in a closure and will return a result that is a failure if any of the
wrapped IO operations failed:
use std::io::BufferedReader;
use std::io::File;
let path = Path::new("message.txt");
let mut file = BufferedReader::new(File::open(&path));
let nil_result = file.operate(|| {
for line in file.lines() {
print!("{}", line);
}
Ok(())
}).unwrap();
Regards,
Armin
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