[−][src]Struct syntax::symbol::Ident
Fields
name: Symbol
span: Span
Methods
impl Ident
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pub fn new(name: Symbol, span: Span) -> Ident
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Constructs a new identifier from a symbol and a span.
pub fn with_dummy_span(name: Symbol) -> Ident
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Constructs a new identifier with a dummy span.
pub fn invalid() -> Ident
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pub fn from_interned_str(string: InternedString) -> Ident
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Maps an interned string to an identifier with an empty syntax context.
pub fn from_str(string: &str) -> Ident
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Maps a string to an identifier with an empty span.
pub fn from_str_and_span(string: &str, span: Span) -> Ident
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Maps a string and a span to an identifier.
pub fn with_span_pos(self, span: Span) -> Ident
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Replaces lo
and hi
with those from span
, but keep hygiene context.
pub fn without_first_quote(self) -> Ident
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pub fn modern(self) -> Ident
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"Normalize" ident for use in comparisons using "item hygiene".
Identifiers with same string value become same if they came from the same "modern" macro
(e.g., macro
item, but not macro_rules
item) and stay different if they came from
different "modern" macros.
Technically, this operation strips all non-opaque marks from ident's syntactic context.
pub fn modern_and_legacy(self) -> Ident
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"Normalize" ident for use in comparisons using "local variable hygiene".
Identifiers with same string value become same if they came from the same non-transparent
macro (e.g., macro
or macro_rules!
items) and stay different if they came from different
non-transparent macros.
Technically, this operation strips all transparent marks from ident's syntactic context.
pub fn gensym(self) -> Ident
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Transforms an identifier into one with the same name, but gensymed.
pub fn gensym_if_underscore(self) -> Ident
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Transforms an underscore identifier into one with the same name, but gensymed. Leaves non-underscore identifiers unchanged.
pub fn is_gensymed(self) -> bool
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pub fn as_str(self) -> LocalInternedString
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pub fn as_interned_str(self) -> InternedString
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impl Ident
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pub fn is_special(self) -> bool
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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
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Returns true
if the token is a keyword reserved for possible future use.
pub fn is_reserved(self) -> bool
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Returns true
if the token is either a special identifier or a keyword.
pub fn is_path_segment_keyword(self) -> bool
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A keyword or reserved identifier that can be used as a path segment.
pub fn is_raw_guess(self) -> bool
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We see this identifier in a normal identifier position, like variable name or a type. How was it written originally? Did it use the raw form? Let's try to guess.
Trait Implementations
impl Debug for Ident
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impl UseSpecializedEncodable for Ident
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fn default_encode<E>(&self, &mut E) -> Result<(), <E as Encoder>::Error> where
E: Encoder,
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E: Encoder,
Defaults to returning an error (see SpecializationError
).
impl UseSpecializedDecodable for Ident
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fn default_decode<D>(&mut D) -> Result<Self, <D as Decoder>::Error> where
D: Decoder,
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D: Decoder,
Defaults to returning an error (see SpecializationError
).
impl Eq for Ident
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impl Hash for Ident
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fn hash<H>(&self, state: &mut H) where
H: Hasher,
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H: Hasher,
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
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H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl Display for Ident
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impl Clone for Ident
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fn clone(&self) -> Ident
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fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl Copy for Ident
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impl PartialEq<Ident> for Ident
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Auto Trait Implementations
impl Unpin for Ident
impl !Send for Ident
impl !Sync for Ident
impl RefUnwindSafe for Ident
impl UnwindSafe for Ident
Blanket Implementations
impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToString for T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Erased for T
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impl<T> Encodable for T where
T: UseSpecializedEncodable + ?Sized,
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T: UseSpecializedEncodable + ?Sized,
impl<T> Decodable for T where
T: UseSpecializedDecodable,
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T: UseSpecializedDecodable,
impl<E> SpecializationError for E
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default fn not_found<S, T>(
trait_name: &'static str,
method_name: &'static str
) -> E where
T: ?Sized,
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trait_name: &'static str,
method_name: &'static str
) -> E where
T: ?Sized,
impl<Q, K> Equivalent<K> for Q where
K: Borrow<Q> + ?Sized,
Q: Eq + ?Sized,
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K: Borrow<Q> + ?Sized,
Q: Eq + ?Sized,