Enum syntax::parse::token::Token
[−]
[src]
pub enum Token { Eq, Lt, Le, EqEq, Ne, Ge, Gt, AndAnd, OrOr, Not, Tilde, BinOp(BinOpToken), BinOpEq(BinOpToken), At, Dot, DotDot, DotDotDot, DotDotEq, DotEq, Comma, Semi, Colon, ModSep, RArrow, LArrow, FatArrow, Pound, Dollar, Question, OpenDelim(DelimToken), CloseDelim(DelimToken), Literal(Lit, Option<Name>), Ident(Ident, bool), Lifetime(Ident), Interpolated(Lrc<(Nonterminal, LazyTokenStream)>), DocComment(Name), Whitespace, Comment, Shebang(Name), Eof, }
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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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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 fn is_like_gt(&self) -> bool
[src]
pub fn is_like_gt(&self) -> bool
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Returns true
if the token starts with '>'.
pub fn can_begin_expr(&self) -> bool
[src]
pub fn can_begin_expr(&self) -> bool
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Returns true
if the token can appear at the start of an expression.
pub fn can_begin_type(&self) -> bool
[src]
pub fn can_begin_type(&self) -> bool
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Returns true
if the token can appear at the start of a type.
pub fn can_begin_bound(&self) -> bool
[src]
pub 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 fn is_lit(&self) -> bool
[src]
pub fn is_lit(&self) -> bool
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Returns true
if the token is any literal
pub fn ident(&self) -> Option<(Ident, bool)>
[src]
pub fn ident(&self) -> Option<(Ident, bool)>
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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 fn is_doc_comment(&self) -> bool
[src]
pub fn is_doc_comment(&self) -> bool
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Returns true
if the token is a documentation comment.
pub fn is_interpolated(&self) -> bool
[src]
pub fn is_interpolated(&self) -> bool
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Returns true
if the token is interpolated.
pub fn is_path(&self) -> bool
[src]
pub fn is_path(&self) -> bool
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Returns true
if the token is an interpolated path.
pub fn lifetime(&self, span: Span) -> Option<Lifetime>
[src]
pub fn lifetime(&self, span: Span) -> Option<Lifetime>
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Returns a lifetime with the span and a dummy id if it is a lifetime, or the original lifetime if it is an interpolated lifetime, ignoring the span.
pub fn is_lifetime(&self) -> bool
[src]
pub fn is_lifetime(&self) -> bool
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Returns true
if the token is a lifetime.
pub fn is_mutability(&self) -> bool
[src]
pub fn is_mutability(&self) -> bool
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Returns true
if the token is either the mut
or const
keyword.
pub fn is_qpath_start(&self) -> bool
[src]
pub fn is_qpath_start(&self) -> bool
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pub fn is_path_start(&self) -> bool
[src]
pub 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 fn is_used_keyword(&self) -> bool
[src]
pub fn is_used_keyword(&self) -> bool
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Returns true
if the token is a keyword used in the language.
pub fn is_unused_keyword(&self) -> bool
[src]
pub 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 glue(self, joint: Token) -> Option<Token>
[src]
pub fn glue(self, joint: Token) -> Option<Token>
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pub fn similar_tokens(&self) -> Option<Vec<Token>>
[src]
pub 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 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 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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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, __arg_0: &mut __S) -> Result<(), __S::Error>
[src]
fn encode<__S: Encoder>(&self, __arg_0: &mut __S) -> Result<(), __S::Error>
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impl Decodable for Token
[src]
impl Decodable for Token
fn decode<__D: Decoder>(__arg_0: &mut __D) -> Result<Token, __D::Error>
[src]
fn decode<__D: Decoder>(__arg_0: &mut __D) -> Result<Token, __D::Error>
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impl PartialEq for Token
[src]
impl PartialEq for Token
fn eq(&self, __arg_0: &Token) -> bool
[src]
fn eq(&self, __arg_0: &Token) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, __arg_0: &Token) -> bool
[src]
fn ne(&self, __arg_0: &Token) -> bool
This method tests for !=
.
impl Eq for Token
[src]
impl Eq for Token
impl Hash for Token
[src]
impl Hash for Token
fn hash<__H: Hasher>(&self, __arg_0: &mut __H)
[src]
fn hash<__H: Hasher>(&self, __arg_0: &mut __H)
Feeds this value into the given [Hasher
]. Read more
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[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 Debug for Token
[src]
impl Debug for Token
fn fmt(&self, __arg_0: &mut Formatter) -> Result
[src]
fn fmt(&self, __arg_0: &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.