[][src]Enum syntax::parse::token::Token

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,
    SingleQuote,
    OpenDelim(DelimToken),
    CloseDelim(DelimToken),
    Literal(LitOption<Name>),
    Ident(Identbool),
    Lifetime(Ident),
    Interpolated(Lrc<(Nonterminal, LazyTokenStream)>),
    DocComment(Name),
    Whitespace,
    Comment,
    Shebang(Name),
    Eof,
}
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Variants

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Used by proc macros for representing lifetimes, not generated by lexer right now.

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An opening delimiter, eg. {

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A closing delimiter, eg. }

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Doc comment

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Whitespace

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Comment

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Methods

impl Token
[src]

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Recovers a Token from an ast::Ident. This creates a raw identifier if necessary.

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Returns true if the token can appear at the start of an expression.

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Returns true if the token can appear at the start of a type.

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Returns true if the token can appear at the start of a generic bound.

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Returns true if the token is any literal

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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).

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Returns an identifier if this token is an identifier.

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Returns a lifetime identifier if this token is a lifetime.

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Returns true if the token is an identifier.

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Returns true if the token is a lifetime.

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Returns true if the token is a identifier whose name is the given string slice.

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Returns true if the token is an interpolated path.

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Returns true if the token is either the mut or const keyword.

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Returns true if the token is a given keyword, kw.

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Returns true if the token is a keyword used in the language.

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Returns true if the token is a keyword reserved for possible future use.

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Returns true if the token is either a special identifier or a keyword.

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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.

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Trait Implementations

impl Clone for Token
[src]

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

impl Encodable for Token
[src]

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impl Decodable for Token
[src]

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impl PartialEq for Token
[src]

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

This method tests for !=.

impl Debug for Token
[src]

Formats the value using the given formatter. Read more

impl From<Token> for TokenStream
[src]

Performs the conversion.

Auto Trait Implementations

impl !Send for Token

impl !Sync for Token

Blanket Implementations

impl<T> ToOwned for T where
    T: Clone
[src]

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

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recently added

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

impl<T> From for T
[src]

Performs the conversion.

impl<T, U> Into for T where
    U: From<T>, 
[src]

Performs the conversion.

impl<T, U> TryFrom for T where
    T: From<U>, 
[src]

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The type returned in the event of a conversion error.

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Performs the conversion.

impl<T> Borrow for T where
    T: ?Sized
[src]

Important traits for &'a mut R

Immutably borrows from an owned value. Read more

impl<T, U> TryInto for T where
    U: TryFrom<T>, 
[src]

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The type returned in the event of a conversion error.

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Performs the conversion.

impl<T> BorrowMut for T where
    T: ?Sized
[src]

Important traits for &'a mut R

Mutably borrows from an owned value. Read more

impl<T> Any for T where
    T: 'static + ?Sized
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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
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impl<T> Decodable for T where
    T: UseSpecializedDecodable
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impl<E> SpecializationError for E
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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> Send for T where
    T: ?Sized
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impl<T> Sync for T where
    T: ?Sized
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impl<T> Erased for T