32 lines
657 B
Rust
32 lines
657 B
Rust
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use std::error::Error;
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use std::io;
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use std::process;
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use serde::Deserialize;
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#[derive(Debug, Deserialize)]
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#[serde(rename_all = "PascalCase")]
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struct Record {
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latitude: f64,
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longitude: f64,
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#[serde(deserialize_with = "csv::invalid_option")]
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population: Option<u64>,
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city: String,
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state: String,
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}
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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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for result in rdr.deserialize() {
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let record: Record = result?;
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println!("{:?}", record);
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}
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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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