| use crate::deriving::generic::*; |
| use crate::deriving::path_std; |
| |
| use rustc_ast::MetaItem; |
| use rustc_expand::base::{Annotatable, ExtCtxt}; |
| use rustc_span::Span; |
| |
| pub fn expand_deriving_copy( |
| cx: &mut ExtCtxt<'_>, |
| span: Span, |
| mitem: &MetaItem, |
| item: &Annotatable, |
| push: &mut dyn FnMut(Annotatable), |
| is_const: bool, |
| ) { |
| let trait_def = TraitDef { |
| span, |
| path: path_std!(marker::Copy), |
| skip_path_as_bound: false, |
| needs_copy_as_bound_if_packed: false, |
| additional_bounds: Vec::new(), |
| supports_unions: true, |
| methods: Vec::new(), |
| associated_types: Vec::new(), |
| is_const, |
| }; |
| |
| trait_def.expand(cx, mitem, item, push); |
| } |