rst.checkChar('E')
	case 'B':
		rst.backref(func() { rst.path(needsSeparator) })
	default:
		rst.fail("unrecognized letter in path")
	}
}

// implPath parses:
//
//	<impl-path> = [<disambiguator>] <path>
func (rst *rustState) implPath() {
	// This path is not part of the demangled string.
	hold := rst.skip
	rst.skip = true
	defer func() {
		rst.skip = hold
	}()

	rst.disambiguator()

		for _, decl := range node.Decls {
			u.node(decl)
		}
	case *ast.GenDecl:
		for _, spec := range node.Specs {
			u.node(spec)
		}
	case *ast.ImportSpec:
		impPath, _ := strconv.Unquote(node.Path.Value)
		name := path.Base(impPath)
		u.scope.objects[name] = &object{
			name: name,
			pos:  node.Pos(),
		}
	case *ast.FuncDecl:
		u.node(node.Type)
		if node.Body != nil {
			u.node(node.Body)