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.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so 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,

fn dummy() -> Self

impl<T> Take for Vec<T>

fn dummy() -> Self

Implementors

impl Take for Span