Trait OptionRefExt
Other items ingazebo::prelude
pub trait OptionRefExt { type Item; fn duped(self) -> Option<Self::Item> where Self::Item: Dupe; }
Extension traits on Option where it holds a ref.
Option
type Item
fn duped(self) -> Option<Self::Item> where Self::Item: Dupe,
Like cloned, but with a Dupe constraint.
cloned
Dupe
use gazebo::prelude::*; use std::rc::Rc; let rc = Rc::new("test"); assert_eq!(Some(&rc).duped(), Some(rc)); assert_eq!(None::<&Rc<String>>.duped(), None);
impl<'a, T> OptionRefExt for Option<&'a T>
type Item = T
fn duped(self) -> Option<T> where T: Dupe,