return false
	}
	if f.Type().(*types.Signature).Recv() == nil {
		return false
	}
	for _, n := range names {
		if f.Name() == n {
			return true
		}
	}
	return false
}

func funcIdent(fun ast.Expr) *ast.Ident {
	switch fun := astutil.Unparen(fun).(type) {
	case *ast.IndexExpr, *ast.IndexListExpr:
		x, _, _, _ := typeparams.UnpackIndexExpr(fun) // necessary?
		id, _ := x.(*ast.Ident)
		return id

func goAsyncCall(info *types.Info, goStmt *ast.GoStmt, toDecl func(*types.Func) *ast.FuncDecl) *asyncCall {
	call := goStmt.Call

	fun := astutil.Unparen(call.Fun)
	if id := funcIdent(fun); id != nil {
		if lit := funcLitInScope(id); lit != nil {
			return &asyncCall{region: lit, async: goStmt, scope: nil, fun: fun}
		}
	}