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-rw-r--r--butl/path2
1 files changed, 2 insertions, 0 deletions
diff --git a/butl/path b/butl/path
index 5bbffee..3a2335e 100644
--- a/butl/path
+++ b/butl/path
@@ -1104,6 +1104,8 @@ namespace std
template <typename C, typename K>
struct hash<butl::basic_path<C, K>>: hash<basic_string<C>>
{
+ using argument_type = butl::basic_path<C, K>;
+
size_t
operator() (const butl::basic_path<C, K>& p) const noexcept
{