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     is_const: bool,
  15 ) {
  16     let trait_def = TraitDef {
  17         span,
  18         path: path_std!(marker::Copy),
  19         skip_path_as_bound: false,
  20         additional_bounds: Vec::new(),
  21         supports_unions: true,
  22         methods: Vec::new(),
  23         associated_types: Vec::new(),
  24         is_const,
  25     };
  26
  27     trait_def.expand(cx, mitem, item, push);
  28 }