Enum Nonterminal

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pub enum Nonterminal {
    NtItem(P<Item>),
    NtBlock(P<Block>),
    NtStmt(P<Stmt>),
    NtPat(P<Pat>),
    NtExpr(P<Expr>),
    NtTy(P<Ty>),
    NtLiteral(P<Expr>),
    NtMeta(P<AttrItem>),
    NtPath(P<Path>),
    NtVis(P<Visibility>),
}

Expand description

For interpolation during macro expansion.

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NtMeta(P<AttrItem>)

Stuff inside brackets for attributes

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NtPath(P<Path>)

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Implementations§

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Trait Implementations§

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impl Clone for Nonterminal

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fn clone(&self) -> Nonterminal

Returns a copy of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for Nonterminal

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl<D: SpanDecoder> Decodable<D> for Nonterminal

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fn decode(decoder: &mut D) -> Self

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impl<E: SpanEncoder> Encodable<E> for Nonterminal

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fn encode(&self, encoder: &mut E)

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impl HasTokens for Nonterminal

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fn tokens(&self) -> Option<&LazyAttrTokenStream>

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fn tokens_mut(&mut self) -> Option<&mut Option<LazyAttrTokenStream>>

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impl<CTX> HashStable<CTX> for Nonterminal
where CTX: HashStableContext,

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fn hash_stable(&self, _hcx: &mut CTX, _hasher: &mut StableHasher)

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impl PartialEq for Nonterminal

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fn eq(&self, _rhs: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.

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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

Auto Trait Implementations§

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impl !RefUnwindSafe for Nonterminal

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impl !UnwindSafe for Nonterminal

Blanket Implementations§

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impl<T> Aligned for T

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dst. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.

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type Init = T

The type for initializers.

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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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impl<T> Same for T

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type Output = T

Should always be Self

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

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type Error = Infallible

The type returned in the event of a conversion error.

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fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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

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type Error = >::Error

The type returned in the event of a conversion error.

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fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

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impl<'a, T> Captures<'a> for T
where T: ?Sized,

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Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 16 bytes

Size for each variant:

NtItem: 8 bytes
NtBlock: 8 bytes
NtStmt: 8 bytes
NtPat: 8 bytes
NtExpr: 8 bytes
NtTy: 8 bytes
NtLiteral: 8 bytes
NtMeta: 8 bytes
NtPath: 8 bytes
NtVis: 8 bytes

Enum NonterminalCopy item path

Variants§

NtItem(P<Item>)

NtBlock(P<Block>)

NtStmt(P<Stmt>)

NtPat(P<Pat>)

NtExpr(P<Expr>)

NtTy(P<Ty>)

NtLiteral(P<Expr>)

NtMeta(P<AttrItem>)

NtPath(P<Path>)

NtVis(P<Visibility>)

Implementations§

impl Nonterminal

pub fn use_span(&self) -> Span

pub fn descr(&self) -> &'static str

Trait Implementations§

impl Clone for Nonterminal

fn clone(&self) -> Nonterminal

fn clone_from(&mut self, source: &Self)

impl Debug for Nonterminal

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl<__D: SpanDecoder> Decodable<__D> for Nonterminal

fn decode(__decoder: &mut __D) -> Self

impl<__E: SpanEncoder> Encodable<__E> for Nonterminal

fn encode(&self, __encoder: &mut __E)

impl HasTokens for Nonterminal

fn tokens(&self) -> Option<&LazyAttrTokenStream>

fn tokens_mut(&mut self) -> Option<&mut Option<LazyAttrTokenStream>>

impl<CTX> HashStable<CTX> for Nonterminalwhere CTX: HashStableContext,

fn hash_stable(&self, _hcx: &mut CTX, _hasher: &mut StableHasher)

impl PartialEq for Nonterminal

fn eq(&self, _rhs: &Self) -> bool

fn ne(&self, other: &Rhs) -> bool

Auto Trait Implementations§

impl DynSend for Nonterminal

impl DynSync for Nonterminal

impl Freeze for Nonterminal

impl !RefUnwindSafe for Nonterminal

impl !Send for Nonterminal

impl !Sync for Nonterminal

impl Unpin for Nonterminal

impl !UnwindSafe for Nonterminal

Blanket Implementations§

impl<T> Aligned for T

const ALIGN: Alignment = _

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> CloneToUninit for Twhere T: Clone,

unsafe fn clone_to_uninit(&self, dst: *mut u8)

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

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

fn into(self) -> U

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self>

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>where F: FnOnce(&Self) -> bool,

impl<T> Pointable for T

const ALIGN: usize = _

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

impl<T> Same for T

type Output = T

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

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

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Enum Nonterminal

impl<D: SpanDecoder> Decodable<D> for Nonterminal

fn decode(decoder: &mut D) -> Self

impl<E: SpanEncoder> Encodable<E> for Nonterminal

fn encode(&self, encoder: &mut E)

impl<CTX> HashStable<CTX> for Nonterminal
where CTX: HashStableContext,

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

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

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

impl<T> CloneToUninit for T
where T: Clone,

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

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

impl<T> ToOwned for T
where T: Clone,

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

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

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

impl<'a, T> Captures<'a> for T
where T: ?Sized,