// ./src/scope/lifetime/methods.md struct Owner(i32); impl Owner { // Annotate lifetimes as in a standalone function. fn add_one<'a>(&'a mut self) { self.0 += 1; } fn print<'a>(&'a self) { println!("`print`: {}", self.0); } } fn part0() { let mut owner = Owner(18); owner.add_one(); owner.print(); } pub fn main() { part0(); }