[−][src]Struct rune::Lexer
Lexer for the rune language.
Implementations
impl<'a> Lexer<'a>
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pub fn new(source: &'a str) -> Self
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Construct a new lexer over the given source.
Examples
use rune::Lexer; use rune::ast::{Kind, Token}; use runestick::Span; assert_eq! { Lexer::new("fn").next().unwrap().unwrap(), Token { kind: Kind::Fn, span: Span { start: 0, end: 2 }, } }; assert_eq! { Lexer::new("name").next().unwrap().unwrap(), Token { kind: Kind::Ident, span: Span { start: 0, end: 4 }, } };
pub fn new_with_start(source: &'a str, start: usize) -> Self
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Construct a new lexer with the given start.
pub fn end(&self) -> Span
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Access the end span of the input.
pub fn next(&mut self) -> Result<Option<Token>, ParseError>
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Consume the next token from the lexer.
Trait Implementations
Auto Trait Implementations
impl<'a> RefUnwindSafe for Lexer<'a>
impl<'a> Send for Lexer<'a>
impl<'a> Sync for Lexer<'a>
impl<'a> Unpin for Lexer<'a>
impl<'a> UnwindSafe for Lexer<'a>
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,
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.
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<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,