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#[derive(Debug)]
struct Rectangle {
width: u32,
height: u32,
}
impl Rectangle {
fn can_hold(&self, other: &Rectangle) -> bool {
self.width >= other.width && self.height >= other.height
}
}
pub fn greeting(name: &str) -> String {
format!("hello {}!", name)
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn exception() {
let result = 2+2;
assert_eq!(result, 4);
}
#[test]
fn another() {
println!("this one will fail");
}
#[test]
fn hold() {
let larger = Rectangle {
width: 7,
height: 8,
};
let smaller = Rectangle {
width: 5,
height: 4,
};
assert!(larger.can_hold(&smaller));
}
#[test]
fn greeting_contain_names() {
let result = greeting("caol");
assert!(result.contains("carol"), "gretting did not contain name, the value is {}", result);
}
}
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