diff options
Diffstat (limited to 'src/doc/book/listings/ch05-using-structs-to-structure-related-data/listing-05-15')
3 files changed, 46 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch05-using-structs-to-structure-related-data/listing-05-15/Cargo.lock b/src/doc/book/listings/ch05-using-structs-to-structure-related-data/listing-05-15/Cargo.lock new file mode 100644 index 000000000..4aabe7da6 --- /dev/null +++ b/src/doc/book/listings/ch05-using-structs-to-structure-related-data/listing-05-15/Cargo.lock @@ -0,0 +1,5 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "rectangles" +version = "0.1.0" diff --git a/src/doc/book/listings/ch05-using-structs-to-structure-related-data/listing-05-15/Cargo.toml b/src/doc/book/listings/ch05-using-structs-to-structure-related-data/listing-05-15/Cargo.toml new file mode 100644 index 000000000..4a279a450 --- /dev/null +++ b/src/doc/book/listings/ch05-using-structs-to-structure-related-data/listing-05-15/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "rectangles" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch05-using-structs-to-structure-related-data/listing-05-15/src/main.rs b/src/doc/book/listings/ch05-using-structs-to-structure-related-data/listing-05-15/src/main.rs new file mode 100644 index 000000000..e6a32723f --- /dev/null +++ b/src/doc/book/listings/ch05-using-structs-to-structure-related-data/listing-05-15/src/main.rs @@ -0,0 +1,35 @@ +#[derive(Debug)] +struct Rectangle { + width: u32, + height: u32, +} + +// ANCHOR: here +impl Rectangle { + fn area(&self) -> u32 { + self.width * self.height + } + + fn can_hold(&self, other: &Rectangle) -> bool { + self.width > other.width && self.height > other.height + } +} +// ANCHOR_END: here + +fn main() { + let rect1 = Rectangle { + width: 30, + height: 50, + }; + let rect2 = Rectangle { + width: 10, + height: 40, + }; + let rect3 = Rectangle { + width: 60, + height: 45, + }; + + println!("Can rect1 hold rect2? {}", rect1.can_hold(&rect2)); + println!("Can rect1 hold rect3? {}", rect1.can_hold(&rect3)); +} |