span: Span,
_meta_item: &ast::MetaItem,
item: Annotatable,
+ _is_derive_const: bool,
) -> ExpandResult<Vec<Annotatable>, Annotatable> {
// We need special handling for statement items
// (e.g. `fn foo() { #[derive(Debug)] struct Bar; }`)
// fail if there have been errors emitted
if ecx.sess.parse_sess.span_diagnostic.err_count() > error_count_before {
- ecx.struct_span_err(span, "proc-macro derive produced unparsable tokens").emit();
+ ecx.struct_span_err(span, "proc-macro derive produced unparseable tokens").emit();
}
ExpandResult::Ready(items)