diff options
Diffstat (limited to 'src/doc/book/listings/ch19-advanced-features/listing-19-18')
4 files changed, 55 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch19-advanced-features/listing-19-18/Cargo.lock b/src/doc/book/listings/ch19-advanced-features/listing-19-18/Cargo.lock new file mode 100644 index 000000000..b1977d01e --- /dev/null +++ b/src/doc/book/listings/ch19-advanced-features/listing-19-18/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "traits-example" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch19-advanced-features/listing-19-18/Cargo.toml b/src/doc/book/listings/ch19-advanced-features/listing-19-18/Cargo.toml new file mode 100644 index 000000000..52395a587 --- /dev/null +++ b/src/doc/book/listings/ch19-advanced-features/listing-19-18/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "traits-example" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch19-advanced-features/listing-19-18/output.txt b/src/doc/book/listings/ch19-advanced-features/listing-19-18/output.txt new file mode 100644 index 000000000..2e9da17d6 --- /dev/null +++ b/src/doc/book/listings/ch19-advanced-features/listing-19-18/output.txt @@ -0,0 +1,7 @@ +$ cargo run + Compiling traits-example v0.1.0 (file:///projects/traits-example) + Finished dev [unoptimized + debuginfo] target(s) in 0.46s + Running `target/debug/traits-example` +This is your captain speaking. +Up! +*waving arms furiously* diff --git a/src/doc/book/listings/ch19-advanced-features/listing-19-18/src/main.rs b/src/doc/book/listings/ch19-advanced-features/listing-19-18/src/main.rs new file mode 100644 index 000000000..fa01c09cc --- /dev/null +++ b/src/doc/book/listings/ch19-advanced-features/listing-19-18/src/main.rs @@ -0,0 +1,36 @@ +trait Pilot { + fn fly(&self); +} + +trait Wizard { + fn fly(&self); +} + +struct Human; + +impl Pilot for Human { + fn fly(&self) { + println!("This is your captain speaking."); + } +} + +impl Wizard for Human { + fn fly(&self) { + println!("Up!"); + } +} + +impl Human { + fn fly(&self) { + println!("*waving arms furiously*"); + } +} + +// ANCHOR: here +fn main() { + let person = Human; + Pilot::fly(&person); + Wizard::fly(&person); + person.fly(); +} +// ANCHOR_END: here |