From 2e32089786746dcb11f10d6cfee51202abfe5407 Mon Sep 17 00:00:00 2001
From: Carl Pearson <pearson@illinois.edu>
Date: Wed, 25 Sep 2019 09:36:19 -0500
Subject: [PATCH] improve reporting in detail/fs

---
 include/perfect/detail/fs.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/perfect/detail/fs.hpp b/include/perfect/detail/fs.hpp
index dd40f7f..891d699 100644
--- a/include/perfect/detail/fs.hpp
+++ b/include/perfect/detail/fs.hpp
@@ -10,6 +10,7 @@ namespace detail {
 Result write_str(const std::string &path, const std::string &val) {
   std::ofstream ofs(path);
   if (ofs.fail()) {
+    std::cerr << "failed to open " << path << "\n";
     return Result::NOT_SUPPORTED;
   }