[−][src]Enum syntax::parse::token::Token
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Variants
Eq
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Lt
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Le
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EqEq
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Ne
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Ge
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Gt
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AndAnd
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OrOr
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Not
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Tilde
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BinOp(BinOpToken)
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BinOpEq(BinOpToken)
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At
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Dot
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DotDot
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DotDotDot
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DotDotEq
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DotEq
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Comma
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Semi
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Colon
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ModSep
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RArrow
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LArrow
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FatArrow
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Pound
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Dollar
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Question
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SingleQuote
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Used by proc macros for representing lifetimes, not generated by lexer right now.
OpenDelim(DelimToken)
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An opening delimiter, eg. {
CloseDelim(DelimToken)
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A closing delimiter, eg. }
Literal(Lit, Option<Name>)
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Ident(Ident, bool)
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Lifetime(Ident)
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Interpolated(Lrc<(Nonterminal, LazyTokenStream)>)
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DocComment(Name)
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Doc comment
Whitespace
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Whitespace
Comment
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Comment
Shebang(Name)
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Eof
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Methods
impl Token
[src]
impl Token
pub fn interpolated(nt: Nonterminal) -> Token
[src]
pub fn interpolated(nt: Nonterminal) -> Token
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pub fn from_ast_ident(ident: Ident) -> Token
[src]
pub fn from_ast_ident(ident: Ident) -> Token
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Recovers a Token
from an ast::Ident
. This creates a raw identifier if necessary.
pub(crate) fn is_like_plus(&self) -> bool
[src]
pub(crate) fn is_like_plus(&self) -> bool
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pub(crate) fn can_begin_expr(&self) -> bool
[src]
pub(crate) fn can_begin_expr(&self) -> bool
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Returns true
if the token can appear at the start of an expression.
pub(crate) fn can_begin_type(&self) -> bool
[src]
pub(crate) fn can_begin_type(&self) -> bool
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Returns true
if the token can appear at the start of a type.
pub(crate) fn can_begin_bound(&self) -> bool
[src]
pub(crate) fn can_begin_bound(&self) -> bool
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Returns true
if the token can appear at the start of a generic bound.
pub(crate) fn is_lit(&self) -> bool
[src]
pub(crate) fn is_lit(&self) -> bool
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Returns true
if the token is any literal
pub(crate) fn can_begin_literal_or_bool(&self) -> bool
[src]
pub(crate) fn can_begin_literal_or_bool(&self) -> bool
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Returns true
if the token is any literal, a minus (which can follow a literal,
for example a '-42', or one of the boolean idents).
pub fn ident(&self) -> Option<(Ident, bool)>
[src]
pub fn ident(&self) -> Option<(Ident, bool)>
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Returns an identifier if this token is an identifier.
pub fn lifetime(&self) -> Option<Ident>
[src]
pub fn lifetime(&self) -> Option<Ident>
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Returns a lifetime identifier if this token is a lifetime.
pub fn is_ident(&self) -> bool
[src]
pub fn is_ident(&self) -> bool
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Returns true
if the token is an identifier.
pub(crate) fn is_lifetime(&self) -> bool
[src]
pub(crate) fn is_lifetime(&self) -> bool
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Returns true
if the token is a lifetime.
pub(crate) fn is_ident_named(&self, name: &str) -> bool
[src]
pub(crate) fn is_ident_named(&self, name: &str) -> bool
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Returns true
if the token is a identifier whose name is the given
string slice.
fn is_path(&self) -> bool
[src]
fn is_path(&self) -> bool
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Returns true
if the token is an interpolated path.
pub(crate) fn is_mutability(&self) -> bool
[src]
pub(crate) fn is_mutability(&self) -> bool
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Returns true
if the token is either the mut
or const
keyword.
pub(crate) fn is_qpath_start(&self) -> bool
[src]
pub(crate) fn is_qpath_start(&self) -> bool
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pub(crate) fn is_path_start(&self) -> bool
[src]
pub(crate) fn is_path_start(&self) -> bool
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pub fn is_keyword(&self, kw: Keyword) -> bool
[src]
pub fn is_keyword(&self, kw: Keyword) -> bool
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Returns true
if the token is a given keyword, kw
.
pub fn is_path_segment_keyword(&self) -> bool
[src]
pub fn is_path_segment_keyword(&self) -> bool
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pub fn is_special_ident(&self) -> bool
[src]
pub fn is_special_ident(&self) -> bool
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pub(crate) fn is_used_keyword(&self) -> bool
[src]
pub(crate) fn is_used_keyword(&self) -> bool
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Returns true
if the token is a keyword used in the language.
pub(crate) fn is_unused_keyword(&self) -> bool
[src]
pub(crate) fn is_unused_keyword(&self) -> bool
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Returns true
if the token is a keyword reserved for possible future use.
pub fn is_reserved_ident(&self) -> bool
[src]
pub fn is_reserved_ident(&self) -> bool
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Returns true
if the token is either a special identifier or a keyword.
pub(crate) fn glue(self, joint: Token) -> Option<Token>
[src]
pub(crate) fn glue(self, joint: Token) -> Option<Token>
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pub(crate) fn similar_tokens(&self) -> Option<Vec<Token>>
[src]
pub(crate) fn similar_tokens(&self) -> Option<Vec<Token>>
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Returns tokens that are likely to be typed accidentally instead of the current token. Enables better error recovery when the wrong token is found.
pub fn interpolated_to_tokenstream(
&self,
sess: &ParseSess,
span: Span
) -> TokenStream
[src]
pub fn interpolated_to_tokenstream(
&self,
sess: &ParseSess,
span: Span
) -> TokenStream
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pub(crate) fn probably_equal_for_proc_macro(&self, other: &Token) -> bool
[src]
pub(crate) fn probably_equal_for_proc_macro(&self, other: &Token) -> bool
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Trait Implementations
impl Clone for Token
[src]
impl Clone for Token
fn clone(&self) -> Token
[src]
fn clone(&self) -> Token
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
impl Encodable for Token
[src]
impl Encodable for Token
fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>
[src]
fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>
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impl Decodable for Token
[src]
impl Decodable for Token
fn decode<__D: Decoder>(d: &mut __D) -> Result<Token, __D::Error>
[src]
fn decode<__D: Decoder>(d: &mut __D) -> Result<Token, __D::Error>
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impl PartialEq for Token
[src]
impl PartialEq for Token
fn eq(&self, other: &Token) -> bool
[src]
fn eq(&self, other: &Token) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &Token) -> bool
[src]
fn ne(&self, other: &Token) -> bool
This method tests for !=
.
impl Debug for Token
[src]
impl Debug for Token
fn fmt(&self, f: &mut Formatter) -> Result
[src]
fn fmt(&self, f: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl From<Token> for TokenStream
[src]
impl From<Token> for TokenStream
fn from(token: Token) -> TokenStream
[src]
fn from(token: Token) -> TokenStream
Performs the conversion.
Auto Trait Implementations
Blanket Implementations
impl<T> ToOwned for T where
T: Clone,
[src]
impl<T> ToOwned for T where
T: Clone,
type Owned = T
fn to_owned(&self) -> T
[src]
fn to_owned(&self) -> T
Creates owned data from borrowed data, usually by cloning. Read more
fn clone_into(&self, target: &mut T)
[src]
fn clone_into(&self, target: &mut T)
🔬 This is a nightly-only experimental API. (toowned_clone_into
)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more
impl<T> From for T
[src]
impl<T> From for T
impl<T, U> Into for T where
U: From<T>,
[src]
impl<T, U> Into for T where
U: From<T>,
impl<T, U> TryFrom for T where
T: From<U>,
[src]
impl<T, U> TryFrom for T where
T: From<U>,
type Error = !
try_from
)The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
[src]
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
try_from
)Performs the conversion.
impl<T> Borrow for T where
T: ?Sized,
[src]
impl<T> Borrow for T where
T: ?Sized,
ⓘImportant traits for &'a mut Rfn borrow(&self) -> &T
[src]
fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
impl<T, U> TryInto for T where
U: TryFrom<T>,
[src]
impl<T, U> TryInto for T where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
try_from
)The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
[src]
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
try_from
)Performs the conversion.
impl<T> BorrowMut for T where
T: ?Sized,
[src]
impl<T> BorrowMut for T where
T: ?Sized,
ⓘImportant traits for &'a mut Rfn borrow_mut(&mut self) -> &mut T
[src]
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T> Any for T where
T: 'static + ?Sized,
[src]
impl<T> Any for T where
T: 'static + ?Sized,
fn get_type_id(&self) -> TypeId
[src]
fn get_type_id(&self) -> TypeId
🔬 This is a nightly-only experimental API. (get_type_id
)
this method will likely be replaced by an associated static
Gets the TypeId
of self
. Read more
impl<T> Encodable for T where
T: UseSpecializedEncodable + ?Sized,
[src]
impl<T> Encodable for T where
T: UseSpecializedEncodable + ?Sized,
fn encode<E>(&self, e: &mut E) -> Result<(), <E as Encoder>::Error> where
E: Encoder,
[src]
fn encode<E>(&self, e: &mut E) -> Result<(), <E as Encoder>::Error> where
E: Encoder,
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impl<T> Decodable for T where
T: UseSpecializedDecodable,
[src]
impl<T> Decodable for T where
T: UseSpecializedDecodable,
fn decode<D>(d: &mut D) -> Result<T, <D as Decoder>::Error> where
D: Decoder,
[src]
fn decode<D>(d: &mut D) -> Result<T, <D as Decoder>::Error> where
D: Decoder,
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impl<E> SpecializationError for E
[src]
impl<E> SpecializationError for E
fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where
T: ?Sized,
[src]
fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where
T: ?Sized,
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Create an error for a missing method specialization. Defaults to panicking with type, trait & method names. S
is the encoder/decoder state type, T
is the type being encoded/decoded, and the arguments are the names of the trait and method that should've been overridden. Read more
impl<T> Erased for T
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impl<T> Erased for T
impl<T> Send for T where
T: ?Sized,
[src]
impl<T> Send for T where
T: ?Sized,
impl<T> Sync for T where
T: ?Sized,
[src]
impl<T> Sync for T where
T: ?Sized,
impl<T> Erased for T
impl<T> Erased for T