rustlings/exercises/structs/structs1.rs
2021-06-20 16:42:08 +08:00

47 lines
1,022 B
Rust

// structs1.rs
// Address all the TODOs to make the tests pass!
struct ColorClassicStruct<'a> {
name: &'a str,
hex: &'a str,
}
struct ColorTupleStruct<'a>(&'a str, &'a str);
#[derive(Debug)]
struct UnitStruct;
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn classic_c_structs() {
// TODO: Instantiate a classic c struct!
let green = ColorClassicStruct {
name: "green",
hex: "#00FF00",
};
assert_eq!(green.name, "green");
assert_eq!(green.hex, "#00FF00");
}
#[test]
fn tuple_structs() {
// TODO: Instantiate a tuple struct!
let green = ColorTupleStruct ("green", "#00FF00");
assert_eq!(green.0, "green");
assert_eq!(green.1, "#00FF00");
}
#[test]
fn unit_structs() {
// TODO: Instantiate a unit struct!
let unit_struct = UnitStruct;
let message = format!("{:?}s are fun!", unit_struct);
assert_eq!(message, "UnitStructs are fun!");
}
}