[−][src]Struct rune::ast::Label
A label, like 'foo
Fields
token: Token
The token of the label.
source: StringSource
The kind of the label.
Implementations
impl Label
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pub fn new(label: &str) -> Self
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Construct a new label from the given string. The string should be
specified without the leading '
, so "foo"
instead of "'foo"
.
This constructor must only be used inside of a macro.
Panics
This will panic if it's called outside of a macro context.
pub fn new_with(label: &str, span: Span, storage: &Storage) -> Self
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Construct a new label from the given string. The string should be
specified without the leading '
, so "foo"
instead of "'foo"
.
This constructor does not panic when called outside of a macro context
but requires access to a span
and storage
.
Trait Implementations
impl Clone for Label
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impl Copy for Label
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impl Debug for Label
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impl Eq for Label
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impl Parse for Label
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pub fn parse(p: &mut Parser<'_>) -> Result<Self, ParseError>
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impl PartialEq<Label> for Label
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impl Peek for Label
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impl<'a> Resolve<'a> for Label
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type Output = Cow<'a, str>
The output type being resolved into.
pub fn resolve(
&self,
storage: &Storage,
source: &'a Source
) -> Result<Cow<'a, str>, ResolveError>
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&self,
storage: &Storage,
source: &'a Source
) -> Result<Cow<'a, str>, ResolveError>
impl ResolveOwned for Label
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type Owned = String
The output type being resolved into.
pub fn resolve_owned(
&self,
storage: &Storage,
source: &Source
) -> Result<Self::Owned, ResolveError>
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&self,
storage: &Storage,
source: &Source
) -> Result<Self::Owned, ResolveError>
impl Spanned for Label
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impl StructuralEq for Label
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impl StructuralPartialEq for Label
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impl ToTokens for Label
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pub fn to_tokens(&self, context: &MacroContext, stream: &mut TokenStream)
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Auto Trait Implementations
impl RefUnwindSafe for Label
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impl Send for Label
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impl Sync for Label
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impl Unpin for Label
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impl UnwindSafe for Label
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Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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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> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub 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.
pub 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>,