hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
27 lines
732 B
Rust
27 lines
732 B
Rust
use std::{error::Error, io, process};
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fn run() -> Result<(), Box<dyn Error>> {
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let mut rdr = csv::Reader::from_reader(io::stdin());
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{
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// We nest this call in its own scope because of lifetimes.
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let headers = rdr.headers()?;
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println!("{:?}", headers);
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}
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for result in rdr.records() {
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let record = result?;
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println!("{:?}", record);
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}
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// We can ask for the headers at any time. There's no need to nest this
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// call in its own scope because we never try to borrow the reader again.
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let headers = rdr.headers()?;
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println!("{:?}", headers);
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Ok(())
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}
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fn main() {
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if let Err(err) = run() {
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println!("{}", err);
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process::exit(1);
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}
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}
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