Struct rustc_ast::ast_traits::AstNodeWrapper

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pub struct AstNodeWrapper<Wrapped, Tag> {
    pub wrapped: Wrapped,
    pub tag: PhantomData<Tag>,
}
Expand description

A newtype around an AST node that implements the traits above if the node implements them.

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§wrapped: Wrapped§tag: PhantomData<Tag>

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impl<Wrapped, Tag> AstNodeWrapper<Wrapped, Tag>

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pub fn new(wrapped: Wrapped, _tag: Tag) -> AstNodeWrapper<Wrapped, Tag>

Trait Implementations§

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impl<Wrapped, Tag> AstDeref for AstNodeWrapper<Wrapped, Tag>

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type Target = Wrapped

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fn ast_deref(&self) -> &Self::Target

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fn ast_deref_mut(&mut self) -> &mut Self::Target

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impl<Wrapped: Debug, Tag> Debug for AstNodeWrapper<Wrapped, Tag>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<N: DummyAstNode, T: DummyAstNode> DummyAstNode for AstNodeWrapper<N, T>

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fn dummy() -> Self

Auto Trait Implementations§

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impl<Wrapped, Tag> RefUnwindSafe for AstNodeWrapper<Wrapped, Tag>where Tag: RefUnwindSafe, Wrapped: RefUnwindSafe,

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impl<Wrapped, Tag> Send for AstNodeWrapper<Wrapped, Tag>where Tag: Send, Wrapped: Send,

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impl<Wrapped, Tag> Sync for AstNodeWrapper<Wrapped, Tag>where Tag: Sync, Wrapped: Sync,

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impl<Wrapped, Tag> Unpin for AstNodeWrapper<Wrapped, Tag>where Tag: Unpin, Wrapped: Unpin,

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impl<Wrapped, Tag> UnwindSafe for AstNodeWrapper<Wrapped, Tag>where Tag: UnwindSafe, Wrapped: UnwindSafe,

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> HasAttrs for Twhere T: AstDeref, <T as AstDeref>::Target: HasAttrs,

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const SUPPORTS_CUSTOM_INNER_ATTRS: bool = const SUPPORTS_CUSTOM_INNER_ATTRS: bool = <T::Target>::SUPPORTS_CUSTOM_INNER_ATTRS;

This is true if this HasAttrs might support ‘custom’ (proc-macro) inner attributes. Attributes like #![cfg] and #![cfg_attr] are not considered ‘custom’ attributes. Read more
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fn attrs(&self) -> &[Attribute]

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fn visit_attrs(&mut self, f: impl FnOnce(&mut ThinVec<Attribute>))

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impl<T> HasNodeId for Twhere T: AstDeref, <T as AstDeref>::Target: HasNodeId,

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fn node_id(&self) -> NodeId

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fn node_id_mut(&mut self) -> &mut NodeId

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impl<T> HasSpan for Twhere T: AstDeref, <T as AstDeref>::Target: HasSpan,

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fn span(&self) -> Span

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impl<T> HasTokens for Twhere T: AstDeref, <T as AstDeref>::Target: HasTokens,

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fn tokens(&self) -> Option<&LazyAttrTokenStream>

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fn tokens_mut(&mut self) -> Option<&mut Option<LazyAttrTokenStream>>

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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

Layout§

Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.