diff options
Diffstat (limited to 'src/doc/book/listings/ch05-using-structs-to-structure-related-data/listing-05-13')
3 files changed, 34 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch05-using-structs-to-structure-related-data/listing-05-13/Cargo.lock b/src/doc/book/listings/ch05-using-structs-to-structure-related-data/listing-05-13/Cargo.lock new file mode 100644 index 000000000..4aabe7da6 --- /dev/null +++ b/src/doc/book/listings/ch05-using-structs-to-structure-related-data/listing-05-13/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-05-13/Cargo.toml b/src/doc/book/listings/ch05-using-structs-to-structure-related-data/listing-05-13/Cargo.toml new file mode 100644 index 000000000..4a279a450 --- /dev/null +++ b/src/doc/book/listings/ch05-using-structs-to-structure-related-data/listing-05-13/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-05-13/src/main.rs b/src/doc/book/listings/ch05-using-structs-to-structure-related-data/listing-05-13/src/main.rs new file mode 100644 index 000000000..e4f45e868 --- /dev/null +++ b/src/doc/book/listings/ch05-using-structs-to-structure-related-data/listing-05-13/src/main.rs @@ -0,0 +1,23 @@ +#[derive(Debug)] +struct Rectangle { + width: u32, + height: u32, +} + +impl Rectangle { + fn area(&self) -> u32 { + self.width * self.height + } +} + +fn main() { + let rect1 = Rectangle { + width: 30, + height: 50, + }; + + println!( + "The area of the rectangle is {} square pixels.", + rect1.area() + ); +} |