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rustlings-exercises-completed/exercises/structs/structs1.rs
2023-03-24 21:18:51 +00:00

53 lines
1.1 KiB
Rust

// structs1.rs
// Address all the TODOs to make the tests pass!
// Execute `rustlings hint structs1` or use the `hint` watch subcommand for a hint.
struct ColorClassicStruct {
red: u32,
green: u32,
blue: u32,
}
struct ColorTupleStruct(u32, u32, u32);
#[derive(Debug)]
struct UnitLikeStruct;
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn classic_c_structs() {
// TODO: Instantiate a classic c struct!
let green = ColorClassicStruct {
red: 0,
green: 255,
blue: 0,
};
assert_eq!(green.red, 0);
assert_eq!(green.green, 255);
assert_eq!(green.blue, 0);
}
#[test]
fn tuple_structs() {
// TODO: Instantiate a tuple struct!
let green = ColorTupleStruct(0, 255, 0);
assert_eq!(green.0, 0);
assert_eq!(green.1, 255);
assert_eq!(green.2, 0);
}
#[test]
fn unit_structs() {
// TODO: Instantiate a unit-like struct!
let unit_like_struct = UnitLikeStruct;
let message = format!("{:?}s are fun!", unit_like_struct);
assert_eq!(message, "UnitLikeStructs are fun!");
}
}