Enum rustc_ast::token::Nonterminal

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pub enum Nonterminal {
Show 13 variants
    NtItem(P<Item>),
    NtBlock(P<Block>),
    NtStmt(Stmt),
    NtPat(P<Pat>),
    NtExpr(P<Expr>),
    NtTy(P<Ty>),
    NtIdent(Ident, bool),
    NtLifetime(Ident),
    NtLiteral(P<Expr>),
    NtMeta(P<AttrItem>),
    NtPath(Path),
    NtVis(Visibility),
    NtTT(TokenTree),
}

Expand description

For interpolation during macro expansion.

Variants

`NtItem(P<Item>)`

`NtBlock(P<Block>)`

`NtStmt(Stmt)`

`NtPat(P<Pat>)`

`NtExpr(P<Expr>)`

`NtTy(P<Ty>)`

`NtIdent(Ident, bool)`

`NtLifetime(Ident)`

`NtLiteral(P<Expr>)`

`NtMeta(P<AttrItem>)`

Stuff inside brackets for attributes

`NtPath(Path)`

Implementations

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Trait Implementations

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impl AstLike for Nonterminal

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const SUPPORTS_CUSTOM_INNER_ATTRS: bool

This is true if this AstLike might support ‘custom’ (proc-macro) inner attributes. Attributes like #![cfg] and #![cfg_attr] are not considered ‘custom’ attributes Read more

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fn clone(&self) -> Nonterminal

Returns a copy of the value. Read more

1.0.0 · source

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: Decoder> Decodable<D> for Nonterminal

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

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

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fn encode(&self, encoder: &mut E) -> Result<(), <__E as Encoder>::Error>

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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<Nonterminal> for Nonterminal

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

This method tests for self and other values to be equal, and is used by ==. Read more

1.0.0 · source

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

This method tests for !=.

Auto Trait Implementations

impl !RefUnwindSafe for Nonterminal

impl !UnwindSafe for Nonterminal

Blanket Implementations

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

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pub 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,

const: unstable · source

pub 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,

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Performs the conversion.

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

const: unstable · source

pub fn into(self) -> U

Performs the conversion.

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

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

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

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

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

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>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub 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>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

Layout

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: 48 bytes

Size for each variant:

NtItem: 15 bytes
NtBlock: 15 bytes
NtStmt: 39 bytes
NtPat: 15 bytes
NtExpr: 15 bytes
NtTy: 15 bytes
NtIdent: 15 bytes
NtLifetime: 15 bytes
NtLiteral: 15 bytes
NtMeta: 15 bytes
NtPath: 47 bytes
NtVis: 39 bytes
NtTT: 39 bytes

Enum rustc_ast::token::Nonterminal

Variants

NtItem(P<Item>)

NtBlock(P<Block>)

NtStmt(Stmt)

NtPat(P<Pat>)

NtExpr(P<Expr>)

NtTy(P<Ty>)

NtIdent(Ident, bool)

NtLifetime(Ident)

NtLiteral(P<Expr>)

NtMeta(P<AttrItem>)

NtPath(Path)

NtVis(Visibility)

NtTT(TokenTree)

Implementations

impl Nonterminal

pub fn span(&self) -> Span

Trait Implementations

impl AstLike for Nonterminal

const SUPPORTS_CUSTOM_INNER_ATTRS: bool

fn attrs(&self) -> &[Attribute]

fn visit_attrs(&mut self, f: impl FnOnce(&mut Vec<Attribute>))

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

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: Decoder> Decodable<__D> for Nonterminal

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

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

fn encode(&self, __encoder: &mut __E) -> Result<(), <__E as Encoder>::Error>

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

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

impl PartialEq<Nonterminal> for Nonterminal

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

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

Auto Trait Implementations

impl !RefUnwindSafe for Nonterminal

impl !Send for Nonterminal

impl !Sync for Nonterminal

impl Unpin for Nonterminal

impl !UnwindSafe for Nonterminal

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

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

type Owned = T

pub fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

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

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Layout

`NtItem(P<Item>)`

`NtBlock(P<Block>)`

`NtStmt(Stmt)`

`NtPat(P<Pat>)`

`NtExpr(P<Expr>)`

`NtTy(P<Ty>)`

`NtIdent(Ident, bool)`

`NtLifetime(Ident)`

`NtLiteral(P<Expr>)`

`NtMeta(P<AttrItem>)`

`NtPath(Path)`

`NtVis(Visibility)`

`NtTT(TokenTree)`

fn attrs(&self) -> &[Attribute ]

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

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

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

fn encode(&self, encoder: &mut E) -> Result<(), <__E as Encoder>::Error>

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

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>,