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Diffstat (limited to 'src/doc/book/listings/ch19-advanced-features/listing-19-15')
3 files changed, 24 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch19-advanced-features/listing-19-15/Cargo.lock b/src/doc/book/listings/ch19-advanced-features/listing-19-15/Cargo.lock new file mode 100644 index 000000000..b1977d01e --- /dev/null +++ b/src/doc/book/listings/ch19-advanced-features/listing-19-15/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-19-15/Cargo.toml b/src/doc/book/listings/ch19-advanced-features/listing-19-15/Cargo.toml new file mode 100644 index 000000000..52395a587 --- /dev/null +++ b/src/doc/book/listings/ch19-advanced-features/listing-19-15/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-19-15/src/lib.rs b/src/doc/book/listings/ch19-advanced-features/listing-19-15/src/lib.rs new file mode 100644 index 000000000..f38bf475c --- /dev/null +++ b/src/doc/book/listings/ch19-advanced-features/listing-19-15/src/lib.rs @@ -0,0 +1,12 @@ +use std::ops::Add; + +struct Millimeters(u32); +struct Meters(u32); + +impl Add<Meters> for Millimeters { + type Output = Millimeters; + + fn add(self, other: Meters) -> Millimeters { + Millimeters(self.0 + (other.0 * 1000)) + } +} |