diff options
Diffstat (limited to 'src/doc/book/listings/ch19-advanced-features/listing-19-12')
3 files changed, 17 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch19-advanced-features/listing-19-12/Cargo.lock b/src/doc/book/listings/ch19-advanced-features/listing-19-12/Cargo.lock new file mode 100644 index 000000000..b1977d01e --- /dev/null +++ b/src/doc/book/listings/ch19-advanced-features/listing-19-12/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-19-12/Cargo.toml b/src/doc/book/listings/ch19-advanced-features/listing-19-12/Cargo.toml new file mode 100644 index 000000000..52395a587 --- /dev/null +++ b/src/doc/book/listings/ch19-advanced-features/listing-19-12/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-19-12/src/lib.rs b/src/doc/book/listings/ch19-advanced-features/listing-19-12/src/lib.rs new file mode 100644 index 000000000..dbe04620e --- /dev/null +++ b/src/doc/book/listings/ch19-advanced-features/listing-19-12/src/lib.rs @@ -0,0 +1,5 @@ +pub trait Iterator { + type Item; + + fn next(&mut self) -> Option<Self::Item>; +} |