Trait rustc_expand::base::MultiItemModifier

pub trait MultiItemModifier {
    fn expand(
        &self, 
        ecx: &mut ExtCtxt<'_>, 
        span: Span, 
        meta_item: &MetaItem, 
        item: Annotatable
    ) -> ExpandResult<Vec<Annotatable>, Annotatable>;
}

Required methods

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

Implementors

impl MultiItemModifier for ProcMacroDerive

impl<F> MultiItemModifier for F where
    F: Fn(&mut ExtCtxt<'_>, Span, &MetaItem, Annotatable) -> Vec<Annotatable>,