pub struct ExprIf {
pub attrs: Vec<Attribute>,
pub if_token: If,
pub cond: Box<Expr>,
pub then_branch: Block,
pub else_branch: Option<(Else, Box<Expr>)>,
}
Expand description
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
sourceimpl ToTokens for ExprIf
impl ToTokens for ExprIf
sourcefn to_tokens(&self, tokens: &mut TokenStream)
fn to_tokens(&self, tokens: &mut TokenStream)
Write self
to the given TokenStream
. Read more
sourcefn to_token_stream(&self) -> TokenStream
fn to_token_stream(&self) -> TokenStream
Convert self
directly into a TokenStream
object. Read more
sourcefn into_token_stream(self) -> TokenStream
fn into_token_stream(self) -> TokenStream
Convert self
directly into a TokenStream
object. Read more
impl Eq for ExprIf
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
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> Spanned for T where
T: Spanned + ?Sized,
impl<T> Spanned for T where
T: Spanned + ?Sized,
sourcefn span(&self) -> Span
fn span(&self) -> Span
Returns a Span
covering the complete contents of this syntax tree
node, or Span::call_site()
if this node is empty. Read more