Enum syntax::parse::token::TokenUnstable
[-] [+]
[src]
pub enum Token { Eq, Lt, Le, EqEq, Ne, Ge, Gt, AndAnd, OrOr, Not, Tilde, BinOp(BinOpToken), BinOpEq(BinOpToken), At, Dot, DotDot, DotDotDot, Comma, Semi, Colon, ModSep, RArrow, LArrow, FatArrow, Pound, Dollar, Question, OpenDelim(DelimToken), CloseDelim(DelimToken), Literal(Lit, Option<Name>), Ident(Ident, IdentStyle), Underscore, Lifetime(Ident), Interpolated(Nonterminal), DocComment(Name), MatchNt(Ident, Ident, IdentStyle, IdentStyle), SubstNt(Ident, IdentStyle), SpecialVarNt(SpecialMacroVar), Whitespace, Comment, Shebang(Name), Eof, }
Variants
Methods
impl Token
fn can_begin_expr(&self) -> bool
Returns true
if the token can appear at the start of an expression.
fn is_lit(&self) -> bool
Returns true
if the token is any literal
fn is_ident(&self) -> bool
Returns true
if the token is an identifier.
fn is_path(&self) -> bool
Returns true
if the token is an interpolated path.
fn is_plain_ident(&self) -> bool
Returns true
if the token is a path that is not followed by a ::
token.
fn is_lifetime(&self) -> bool
Returns true
if the token is a lifetime.
fn is_mutability(&self) -> bool
Returns true
if the token is either the mut
or const
keyword.
fn to_binop(&self) -> Option<BinOp_>
Maps a token to its corresponding binary operator.
fn is_keyword(&self, kw: Keyword) -> bool
Returns true
if the token is a given keyword, kw
.
fn is_keyword_allow_following_colon(&self, kw: Keyword) -> bool
fn is_any_keyword(&self) -> bool
Returns true
if the token is either a special identifier, or a strict
or reserved keyword.
fn is_strict_keyword(&self) -> bool
Returns true
if the token may not appear as an identifier.
fn is_reserved_keyword(&self) -> bool
Returns true
if the token is a keyword that has been reserved for
possible future use.
fn mtwt_eq(&self, other: &Token) -> bool
Hygienic identifier equality comparison.
See styntax::ext::mtwt
.