io: ensure override is used on overridden members

2021-06-03 12:56:44 +10:00 · 2021-06-03 12:56:44 +10:00 · 4d1ee7c21e
commit 4d1ee7c21e
parent aee3ee29d7
1 changed files with 1 additions and 1 deletions
--- a/io.hpp
+++ b/io.hpp
@ -220,7 +220,7 @@ namespace cruft {

    class stream_error : public std::exception {
    public:
-        virtual const char* what (void) const noexcept
+        const char* what (void) const noexcept override
        { return "error on C stream"; }
    };
 }