[][src]Struct syntax_pos::hygiene::Mark

pub struct Mark(_);

A mark is a unique ID associated with a macro expansion.


impl Mark[src]

pub fn fresh(parent: Mark) -> Self[src]

pub fn root() -> Self[src]

The mark of the theoretical expansion that generates freshly parsed, unexpanded AST.

pub fn as_u32(self) -> u32[src]

pub fn from_u32(raw: u32) -> Mark[src]

pub fn parent(self) -> Mark[src]

pub fn expn_info(self) -> Option<ExpnInfo>[src]

pub fn set_expn_info(self, info: ExpnInfo)[src]

pub fn set_default_transparency(self, transparency: Transparency)[src]

pub fn is_descendant_of(self, ancestor: Mark) -> bool[src]

pub fn outer_is_descendant_of(self, ctxt: SyntaxContext) -> bool[src]

mark.outer_is_descendant_of(ctxt) is equivalent to but faster than mark.is_descendant_of(ctxt.outer()).

pub fn least_ancestor(a: Mark, b: Mark) -> Mark[src]

Computes a mark such that both input marks are descendants of (or equal to) the returned mark. That is, the following holds:

let la = least_ancestor(a, b);

pub fn looks_like_proc_macro_derive(self) -> bool[src]

Trait Implementations

impl Clone for Mark[src]

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl PartialEq<Mark> for Mark[src]

impl Eq for Mark[src]

impl Copy for Mark[src]

impl Debug for Mark[src]

impl Hash for Mark[src]

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher

Feeds a slice of this type into the given [Hasher]. Read more

impl Encodable for Mark[src]

impl Decodable for Mark[src]

Auto Trait Implementations

impl Send for Mark

impl Sync for Mark

Blanket Implementations

impl<T> From<T> for T[src]

impl<T> ToOwned for T where
    T: Clone

type Owned = T

The resulting type after obtaining ownership.

impl<T, U> Into<U> for T where
    U: From<T>, 

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T> BorrowMut<T> for T where
    T: ?Sized

impl<T> Borrow<T> for T where
    T: ?Sized

impl<T> Any for T where
    T: 'static + ?Sized

impl<T> Encodable for T where
    T: UseSpecializedEncodable + ?Sized

impl<T> Decodable for T where
    T: UseSpecializedDecodable

impl<E> SpecializationError for E[src]

impl<Q, K> Equivalent<K> for Q where
    K: Borrow<Q> + ?Sized,
    Q: Eq + ?Sized

impl<T> Erased for T[src]

impl<T> Send for T where
    T: ?Sized

impl<T> Sync for T where
    T: ?Sized