[−][src]Struct rune::ast::ExprMatchBranch
A match branch.
Fields
pat: Pat
The pattern to match.
condition: Option<(If, Box<Expr>)>
The branch condition.
rocket: Rocket
The rocket token.
body: Box<Expr>
The body of the match.
Implementations
impl ExprMatchBranch
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pub fn span(&self) -> Span
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Access the span of the expression.
pub fn produces_nothing(&self) -> bool
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Test if the branch produces nothing.
Trait Implementations
impl Clone for ExprMatchBranch
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fn clone(&self) -> ExprMatchBranch
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fn clone_from(&mut self, source: &Self)
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impl Debug for ExprMatchBranch
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impl Parse for ExprMatchBranch
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Parse a match statement.
Examples
use rune::{ParseAll, parse_all, ast}; parse_all::<ast::ExprMatchBranch>("1 => { foo }")?;
fn parse(parser: &mut Parser<'_>) -> Result<Self, ParseError>
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Auto Trait Implementations
impl RefUnwindSafe for ExprMatchBranch
impl Send for ExprMatchBranch
impl Sync for ExprMatchBranch
impl Unpin for ExprMatchBranch
impl UnwindSafe for ExprMatchBranch
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>,