[−][src]Struct rustc_ap_rustc_span::hygiene::ExpnId
A unique ID associated with a macro invocation and expansion.
Implementations
impl ExpnId
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pub fn fresh(expn_data: Option<ExpnData>) -> Self
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pub fn root() -> Self
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The ID of the theoretical expansion that generates freshly parsed, unexpanded AST.
pub fn as_u32(self) -> u32
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pub fn from_u32(raw: u32) -> ExpnId
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pub fn expn_data(self) -> ExpnData
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pub fn set_expn_data(self, mut expn_data: ExpnData)
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pub fn is_descendant_of(self, ancestor: ExpnId) -> bool
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pub fn outer_expn_is_descendant_of(self, ctxt: SyntaxContext) -> bool
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expn_id.outer_expn_is_descendant_of(ctxt)
is equivalent to but faster than
expn_id.is_descendant_of(ctxt.outer_expn())
.
pub fn expansion_cause(mut self: Self) -> Option<Span>
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Returns span for the macro which originally caused this expansion to happen.
Stops backtracing at include! boundary.
Trait Implementations
impl Clone for ExpnId
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impl Copy for ExpnId
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impl Debug for ExpnId
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impl<D: Decoder> Decodable<D> for ExpnId
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impl<E: Encoder> Encodable<E> for ExpnId
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impl Eq for ExpnId
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impl Hash for ExpnId
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pub fn hash<__H: Hasher>(&self, state: &mut __H)
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pub fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
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H: Hasher,
impl<CTX: HashStableContext> HashStable<CTX> for ExpnId
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pub fn hash_stable(&self, ctx: &mut CTX, hasher: &mut StableHasher)
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impl PartialEq<ExpnId> for ExpnId
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impl StructuralEq for ExpnId
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impl StructuralPartialEq for ExpnId
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Auto Trait Implementations
impl RefUnwindSafe for ExpnId
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impl Send for ExpnId
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impl Sync for ExpnId
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impl Unpin for ExpnId
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impl UnwindSafe for ExpnId
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Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<'a, T> Captures<'a> for T where
T: ?Sized,
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T: ?Sized,
impl<Q, K> Equivalent<K> for Q where
K: Borrow<Q> + ?Sized,
Q: Eq + ?Sized,
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K: Borrow<Q> + ?Sized,
Q: Eq + ?Sized,
pub fn equivalent(&self, key: &K) -> bool
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impl<T> Erased for T
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impl<T> From<T> for T
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impl<T> Instrument for T
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pub fn instrument(self, span: Span) -> Instrumented<Self>
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pub fn in_current_span(self) -> Instrumented<Self>
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> Same<T> for T
type Output = T
Should always be Self
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,