compiler/rustc_builtin_macros/src/deriving/bounds.rs

   1 use crate::deriving::generic::*;
   2 use crate::deriving::path_std;
   3
   4 use rustc_ast::MetaItem;
   5 use rustc_expand::base::{Annotatable, ExtCtxt};
   6 use rustc_span::Span;
   7
   8 pub fn expand_deriving_copy(
   9     cx: &mut ExtCtxt<'_>,
  10     span: Span,
  11     mitem: &MetaItem,
  12     item: &Annotatable,
  13     push: &mut dyn FnMut(Annotatable),
  14 ) {
  15     let trait_def = TraitDef {
  16         span,
  17         path: path_std!(marker::Copy),
  18         skip_path_as_bound: false,
  19         additional_bounds: Vec::new(),
  20         supports_unions: true,
  21         methods: Vec::new(),
  22         associated_types: Vec::new(),
  23     };
  24
  25     trait_def.expand(cx, mitem, item, push);
  26 }