fixed old bug in int_vector_buffer::operator-

hmusta · Dec 12, 2020 · dac9366 · dac9366
1 parent 7f91c14
commit dac9366
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/sdsl/int_vector_buffer.hpp b/include/sdsl/int_vector_buffer.hpp
@@ -544,7 +544,7 @@ class int_vector_buffer
                     return it += i;
                 }
 
-                iterator& operator-(difference_type i) const
+                iterator operator-(difference_type i) const
                 {
                     iterator it = *this;
                     return it -= i;