[lmi-commits] [lmi] master 53cb60b1 5/6: Make a class abstract in a different way

[Greg Chicares]

branch: master
commit 53cb60b1e781581a28bb8199078e58470b83f775
Author: Gregory W. Chicares <gchicares@sbcglobal.net>
Commit: Gregory W. Chicares <gchicares@sbcglobal.net>

    Make a class abstract in a different way
    
    This replaces the change in commit 10dce09518784 of 20220714T2157Z.
---
 datum_sequence.hpp | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/datum_sequence.hpp b/datum_sequence.hpp
index 7598d1dd..e122accd 100644
--- a/datum_sequence.hpp
+++ b/datum_sequence.hpp
@@ -59,8 +59,8 @@ class sequence_base
   public:
     bool equals(sequence_base const&) const;
 
-    virtual bool numeric_values_are_allowable() const;
-    virtual bool keyword_values_are_allowable() const;
+    virtual bool numeric_values_are_allowable() const = 0;
+    virtual bool keyword_values_are_allowable() const = 0;
     virtual std::string const default_keyword() const;
     virtual std::map<std::string,std::string> const allowed_keywords() const;
 
@@ -72,15 +72,13 @@ class sequence_base
     sequence_base(sequence_base&&) = default;
     sequence_base& operator=(sequence_base const&) = default;
     sequence_base& operator=(sequence_base&&) = default;
-    ~sequence_base() override = 0;
+    ~sequence_base() override = default;
 
     sequence_base& operator=(std::string const&);
 
     void assert_sanity() const;
 };
 
-inline sequence_base::~sequence_base() = default;
-
 bool operator==(sequence_base const&, sequence_base const&);
 
 // Specialize value_cast<> for each derived class, e.g., as follows: