24     pub(crate) ast: DeriveInput,  field
38     pub(crate) fn try_from_derive_input(ast: DeriveInput) -> Result<Self, Error> {  in try_from_derive_input()
43         for attr in &ast.attrs {  in try_from_derive_input()
89         Ok(Self { ast, zerocopy_crate: path, skip_on_error, on_error_span })  in try_from_derive_input()
94             ast: input.clone(),  in with_input()
548         let type_ident = &self.ctx.ast.ident;  in build()
581                     Repr::<PrimitiveRepr, NonZeroU32>::from_attrs(&self.ctx.ast.attrs).unwrap();  in build()
637             .ast  in build()
649             .ast  in build()
675         let param_idents = self.ctx.ast.generics.params.iter().map(|param| match param {  in build()
827         impl<'ast> Visit<'ast> for AmbiguousItemVisitor {  in check_hygiene()
828             fn visit_path(&mut self, i: &'ast syn::Path) {  in check_hygiene()