September 2017 Update
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19
Task/Input-loop/Rust/input-loop.rust
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19
Task/Input-loop/Rust/input-loop.rust
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use std::io::{self, BufReader, Read, BufRead};
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use std::fs::File;
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fn main() {
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print_by_line(io::stdin())
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.expect("Could not read from stdin");
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File::open("/etc/fstab")
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.and_then(print_by_line)
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.expect("Could not read from file");
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}
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fn print_by_line<T: Read>(reader: T) -> io::Result<()> {
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let buffer = BufReader::new(reader);
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for line in buffer.lines() {
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println!("{}", line?)
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}
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Ok(())
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}
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