Add final attribute to many classes

In some cases this can offer better optimization, via devirtualization.
And it lets the user know the class is not intended for derivation.

Some discussion in GH #402

1 files changed, 1 insertions, 1 deletions

diff --git a/src/cli/asn1.cpp b/src/cli/asn1.cpp
index 3af2be97d..34e2fe870 100644
--- a/src/cli/asn1.cpp
+++ b/src/cli/asn1.cpp
@@ -356,7 +356,7 @@ void decode(Botan::BER_Decoder& decoder, size_t level)
 
 }
 
-class ASN1_Printer : public Command
+class ASN1_Printer final : public Command
    {
    public:
       ASN1_Printer() : Command("asn1print file") {}