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extern crate csv;
#[macro_use]
extern crate serde_derive;
use std::error::Error;
use std::io;
use std::process;
#[derive(Debug, Deserialize)]
#[serde(rename_all = "PascalCase")]
struct Record {
latitude: f64,
longitude: f64,
population: Option<u64>,
city: String,
state: String,
}
fn run() -> Result<(), Box<Error>> {
let mut rdr = csv::Reader::from_reader(io::stdin());
for result in rdr.deserialize() {
let record: Record = result?;
println!("{:?}", record);
}
Ok(())
}
fn main() {
if let Err(err) = run() {
println!("{}", err);
process::exit(1);
}
}
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