lifetime Archives

[Solved] Dropping partially moved values after the moved values are dropped

November 2, 2022 by Kirat

Is there a better way to fix this Yes, but not in stable Rust. You need non-lexical lifetimes: #![feature(nll)] #[derive(Debug)] struct Foo(u32); fn get_foo(bar: &mut Foo) -> Option<&mut u32> { Some(&mut bar.0) } pub fn test() { let x = 5; let y = 6; let mut a = Foo(x); let b = get_foo(&mut a); … Read more

[Solved] C++ Virtual Inheritance

September 3, 2022 by Kirat

~abc is the destructor of abc. It’s a function that’s there to destroy an object when it isn’t needed anymore. At the end of the program every object is destroyed, for that the program calls every destructor. You defined your destructor to print those lines, so it does. Also, every object in the tree inherits … Read more