Struct extendr_api::wrapper::list::FromList
source · pub struct FromList<T>(pub T);
Expand description
You can use the FromList wrapper to coerce a Robj into a list.
use extendr_api::prelude::*;
test! {
let list = Robj::from(list!(1, 2));
let vec : FromList<Vec<i32>> = list.try_into()?;
assert_eq!(vec.0, vec![1, 2]);
}
Tuple Fields§
§0: T
Trait Implementations§
Auto Trait Implementations§
impl<T> Freeze for FromList<T>where
T: Freeze,
impl<T> RefUnwindSafe for FromList<T>where
T: RefUnwindSafe,
impl<T> Send for FromList<T>where
T: Send,
impl<T> Sync for FromList<T>where
T: Sync,
impl<T> Unpin for FromList<T>where
T: Unpin,
impl<T> UnwindSafe for FromList<T>where
T: UnwindSafe,
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more