Struct syn::ExprIf [−][src]
An if
expression with an optional else
block: if expr { ... } else { ... }
.
The else
branch expression may only be an If
or Block
expression, not any of the other types of expression.
This type is available only if Syn is built with the "full"
feature.
Fields
attrs: Vec<Attribute>
if_token: If
cond: Box<Expr>
then_branch: Block
else_branch: Option<(Else, Box<Expr>)>
Trait Implementations
impl Clone for ExprIf
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fn clone(&self) -> Self
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pub fn clone_from(&mut self, source: &Self)
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impl Debug for ExprIf
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impl Eq for ExprIf
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impl From<ExprIf> for Expr
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impl Hash for ExprIf
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fn hash<H>(&self, state: &mut H) where
H: Hasher,
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H: Hasher,
pub fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
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H: Hasher,
impl Parse for ExprIf
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fn parse(input: ParseStream<'_>) -> Result<Self>
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impl PartialEq<ExprIf> for ExprIf
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impl ToTokens for ExprIf
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fn to_tokens(&self, tokens: &mut TokenStream)
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pub fn to_token_stream(&self) -> TokenStream
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pub fn into_token_stream(self) -> TokenStream
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Auto Trait Implementations
impl RefUnwindSafe for ExprIf
impl !Send for ExprIf
impl !Sync for ExprIf
impl Unpin for ExprIf
impl UnwindSafe for ExprIf
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> Spanned for T where
T: Spanned + ?Sized,
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T: Spanned + ?Sized,
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>,