Struct syn::ExprIf
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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>)>, }
An if
expression with an optional else
block: if expr { ... } else { ... }
.
The else
branch expression may only be an If
, IfLet
, or
Block
expression, not any of the other types of expression.
This type is available 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 Synom for ExprIf
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impl ToTokens for ExprIf
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fn to_tokens(&self, tokens: &mut Tokens)
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Write self
to the given Tokens
. Read more
fn into_tokens(self) -> Tokens
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Convert self
directly into a Tokens
object. Read more
impl Debug for ExprIf
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impl Eq for ExprIf
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impl PartialEq for ExprIf
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fn eq(&self, __arg_0: &ExprIf) -> bool
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This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, __arg_0: &ExprIf) -> bool
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This method tests for !=
.
impl Hash for ExprIf
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fn hash<__H: Hasher>(&self, __arg_0: &mut __H)
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Feeds this value into the given [Hasher
]. Read more
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
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H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more