Serialization Without Crates

CSV Row

Format a Simple Record

Serialization turns typed values into text. A small CSV row can be built directly from fixed fields.

Program

Play the program to choose a quantity and watch the record become a comma-separated row.

csv_row_builder.rs 
fn main() {
    let quantity = ;
    let item = ("book", quantity, 12);
    let row = csv_row(item.0, item.1, item.2);
    println!("{row}");
}

fn csv_row(name: &str, quantity: i32, price: i32) -> String {
    format!("{name},{quantity},{price}")
}

fn main() {
    let quantity = ;
    let item = ("book", quantity, 12);
    let row = csv_row(item.0, item.1, item.2);
    println!("{row}");
}

fn csv_row(name: &str, quantity: i32, price: i32) -> String {
    format!("{name},{quantity},{price}")
}

fn main() {
    let quantity = ;
    let item = ("book", quantity, 12);
    let row = csv_row(item.0, item.1, item.2);
    println!("{row}");
}

fn csv_row(name: &str, quantity: i32, price: i32) -> String {
    format!("{name},{quantity},{price}")
}
serialization Serialization converts typed program values into a text representation.
tuple fields `item.0`, `item.1`, and `item.2` read the record fields in order.
format! `format!` builds the serialized row without printing immediately.