diff options
Diffstat (limited to 'rust-book/structs/src')
-rwxr-xr-x | rust-book/structs/src/main.rs | 32 | ||||
-rwxr-xr-x | rust-book/structs/src/main.rs.bak | 36 |
2 files changed, 68 insertions, 0 deletions
diff --git a/rust-book/structs/src/main.rs b/rust-book/structs/src/main.rs new file mode 100755 index 0000000..cf93866 --- /dev/null +++ b/rust-book/structs/src/main.rs @@ -0,0 +1,32 @@ +#[derive(Debug)] +struct Rectangle { + width: u32, + height: u32, +} + +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 + } + +} + +fn main() { + let rect1 = Rectangle { + width: 30, + height: 50, + }; + let rect2 = Rectangle { + width: 3, + height: 5, + }; + println!("{:#?}", rect1); + println!("The area of the rectangle is {} square pixels.", rect1.area()); + println!("{}", rect1.can_hold(&rect2)); +} + diff --git a/rust-book/structs/src/main.rs.bak b/rust-book/structs/src/main.rs.bak new file mode 100755 index 0000000..361b225 --- /dev/null +++ b/rust-book/structs/src/main.rs.bak @@ -0,0 +1,36 @@ +struct User { + username: String, + email: String, + sign_in_count: u64, + active: bool, +} + +fn main() { +// let mut user1 = User { +// email: String::from("test@tester.net"), +// username: String::from("testytester"), +// active: true, +// sign_in_count: 999, +// }; +// let user1 = build_user(String::from("dennis.nedry@adp.com"), String::from("nedryland")); +// let user2 = User { +// email: String::from("john.hammond@adp.com"), +// username: String::from("spare_no_expense"), +// ..user1 +// }; +// println!("{} {} {} {}", user2.email, user2.username, user2.active, user2.sign_in_count); + + struct Color(u32, u32, u32); + struct Point(i32, i32, i32); + let black = Color(0, 0, 0); + let origin = Point(0, -1, 0); +} + +fn build_user(email: String, username: String) -> User { + User { + email, + username, + active: true, + sign_in_count: 1, + } +} |