45 lines
1.1 KiB
Rust
45 lines
1.1 KiB
Rust
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#[derive(Debug)]
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struct Rectangle {
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width: u32,
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height: u32,
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}
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// You could also have an individual impl block
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// for each method
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impl Rectangle {
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fn area(&self) -> u32 {
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self.width * self.height
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}
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fn can_hold(&self, other: &Rectangle) -> bool {
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self.width > other.width && self.height > other.height
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}
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}
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impl Rectangle {
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// This is basically a static method
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// But is called an associated function
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fn square(size: u32) -> Rectangle {
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Rectangle {
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width: size,
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height: size,
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}
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}
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}
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fn main() {
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let rect1 = Rectangle { width: 30, height: 50 };
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let rect2 = Rectangle { width: 10, height: 40 };
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let rect3 = Rectangle { width: 60, height: 45 };
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println!(
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"The area of the rectangle is {} square pixels.",
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rect1.area()
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);
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println!("Can rect1 hold rect2? {}", rect1.can_hold(&rect2));
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println!("Can rect1 hold rect3? {}", rect1.can_hold(&rect3));
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println!("A square is a rectangle with equal sides: {:#?}", Rectangle::square(10));
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}
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