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pub use self::Kinds::PrimaryColor;
pub use self::Kinds::SecondaryColor;
pub use self::Utils::mix;
#[derive(Debug)]
pub struct Rectangle {
width: u32,
height: u32
}
impl Rectangle {
pub fn can_hold(&self, other: &Rectangle) -> bool {
self.width > other.width && self.height > other.height
}
}
pub struct Guess {
pub value: i32,
}
impl Guess {
pub fn new(value: i32) -> Guess {
if value < 1 {
panic!("Guess value must be greater than or equal 1, got {}.", value);
} else if value > 100 {
panic!("Guess value must be less than or equal 100, got {}.", value);
}
Guess {
value
}
}
}
pub fn add_one(a: i32) -> i32 {
a + 1
}
pub fn add_two(a: i32) -> i32 {
a + 2
}
pub mod Kinds {
pub enum PrimaryColor {
Red,
Yellow,
Blue,
}
pub enum SecondaryColor {
Orange,
Green,
Purple,
}
}
pub mod Utils {
use crate::Kinds::*;
pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
println!("do something");
SecondaryColor::Green
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn larger_can_hold_smaller() {
let larger = Rectangle { width: 8, height: 7 };
let smaller = Rectangle { width: 5, height: 1 };
assert!(larger.can_hold(&smaller));
}
#[test]
fn smaller_can_hold_larger() {
let larger = Rectangle { width: 8, height: 7 };
let smaller = Rectangle { width: 5, height: 1 };
assert!(!smaller.can_hold(&larger));
}
#[test]
fn it_adds_two() {
assert_eq!(4, add_two(2));
}
#[test]
#[should_panic(expected = "Guess value must be less than or equal 100")]
fn greater_than_100() {
Guess::new(200);
}
#[test]
fn it_works() -> Result<(), String> {
if 2 + 2 == 4 {
Ok(())
} else {
Err(String::from("two plus two does not equal four"))
}
}
}