Trait Take

pub trait Take: Sized {
    // Required method
    fn dummy() -> Self;

    // Provided methods
    fn take(&mut self) -> Self { ... }
    fn map_with_mut<F>(&mut self, op: F)
       where F: FnOnce(Self) -> Self { ... }
}

Helper for people who are working on VisitMut.

This trait is implemented for ast nodes. If not and you need it, please file an issue.

Required Methods

fn dummy() -> Self

Create a dummy value of this type.

Provided Methods

fn take(&mut self) -> Self

fn map_with_mut<F>(&mut self, op: F)

where F: FnOnce(Self) -> Self,

Mutate self using op, which accepts owned data.

Object Safety

This trait is not object safe.

Implementations on Foreign Types

impl<T> Take for Option<T>

fn dummy() -> Self

impl<T> Take for Box<T>

where T: Take,

Available on crate feature nightly only.

fn dummy() -> Self

impl<T> Take for Vec<T>

Available on crate feature nightly only.

fn dummy() -> Self

impl<T> Take for Box<T>

where T: Take,

fn dummy() -> Self

impl<T> Take for Vec<T>

fn dummy() -> Self

Implementors

impl Take for Span