[FIX] sam_file_output move

seqan · Nov 6, 2024 · a96c7f2 · a96c7f2
1 parent 4d03890
commit a96c7f2
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/include/seqan3/io/sam_file/output.hpp b/include/seqan3/io/sam_file/output.hpp
@@ -155,7 +155,10 @@ class sam_file_output
     //!\brief The destructor will write the header if it has not been written before.
     ~sam_file_output()
     {
-        if (header_has_been_written)
+        // !primary_stream indicates moved-from object
+        // unique_ptr holds a nullptr after being moved from
+        // See https://eel.is/c++draft/unique.ptr#single.ctor-18
+        if (header_has_been_written || !primary_stream)
             return;
 
         assert(!format.valueless_by_exception());