diff options
Diffstat (limited to 'src/doc/book/listings/ch10-generic-types-traits-and-lifetimes/no-listing-10-lifetimes-on-methods')
3 files changed, 40 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch10-generic-types-traits-and-lifetimes/no-listing-10-lifetimes-on-methods/Cargo.lock b/src/doc/book/listings/ch10-generic-types-traits-and-lifetimes/no-listing-10-lifetimes-on-methods/Cargo.lock new file mode 100644 index 000000000..e8007a19b --- /dev/null +++ b/src/doc/book/listings/ch10-generic-types-traits-and-lifetimes/no-listing-10-lifetimes-on-methods/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "chapter10" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch10-generic-types-traits-and-lifetimes/no-listing-10-lifetimes-on-methods/Cargo.toml b/src/doc/book/listings/ch10-generic-types-traits-and-lifetimes/no-listing-10-lifetimes-on-methods/Cargo.toml new file mode 100644 index 000000000..489f80967 --- /dev/null +++ b/src/doc/book/listings/ch10-generic-types-traits-and-lifetimes/no-listing-10-lifetimes-on-methods/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "chapter10" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch10-generic-types-traits-and-lifetimes/no-listing-10-lifetimes-on-methods/src/main.rs b/src/doc/book/listings/ch10-generic-types-traits-and-lifetimes/no-listing-10-lifetimes-on-methods/src/main.rs new file mode 100644 index 000000000..32ad530b5 --- /dev/null +++ b/src/doc/book/listings/ch10-generic-types-traits-and-lifetimes/no-listing-10-lifetimes-on-methods/src/main.rs @@ -0,0 +1,28 @@ +struct ImportantExcerpt<'a> { + part: &'a str, +} + +// ANCHOR: 1st +impl<'a> ImportantExcerpt<'a> { + fn level(&self) -> i32 { + 3 + } +} +// ANCHOR_END: 1st + +// ANCHOR: 3rd +impl<'a> ImportantExcerpt<'a> { + fn announce_and_return_part(&self, announcement: &str) -> &str { + println!("Attention please: {}", announcement); + self.part + } +} +// ANCHOR_END: 3rd + +fn main() { + let novel = String::from("Call me Ishmael. Some years ago..."); + let first_sentence = novel.split('.').next().expect("Could not find a '.'"); + let i = ImportantExcerpt { + part: first_sentence, + }; +} |