Struct rustc_expand::proc_macro::DeriveProcMacro

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pub struct DeriveProcMacro {
    pub client: Client<TokenStream, TokenStream>,
}

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§client: Client<TokenStream, TokenStream>

Trait Implementations§

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impl MultiItemModifier for DeriveProcMacro

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fn expand( &self, ecx: &mut ExtCtxt<'_>, span: Span, _meta_item: &MetaItem, item: Annotatable, _is_derive_const: bool, ) -> ExpandResult<Vec<Annotatable>, Annotatable>

meta_item is the attribute, and item is the item being modified.

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const ALIGN: Alignment = _

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where T: ?Sized,

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

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fn collect_and_apply<I, F>(iter: I, f: F) -> R
where I: Iterator<Item = T>, F: FnOnce(&[T]) -> R,

Equivalent to f(&iter.collect::<Vec<_>>()).

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type Output = R

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fn filterable( self, filter_name: &'static str, ) -> RequestFilterDataProvider<T, fn(_: DataRequest<'_>) -> bool>

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fn instrument(self, span: Span) -> Instrumented<Self>

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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const ALIGN: usize = _

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Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 16 bytes