Commit e5e886a4 authored by Alexandre Duret-Lutz's avatar Alexandre Duret-Lutz
Browse files

* src/ltlast/formula.hh (ltl::formula::~formula): Make it protected.

parent 754d7064
2004-11-02 Alexandre Duret-Lutz <adl@src.lip6.fr>
* src/ltlast/formula.hh (ltl::formula::~formula): Make it protected.
2004-10-29 Alexandre Duret-Lutz <adl@src.lip6.fr>
A tgba can now annotate a transition (i.e., the position of a
......
......@@ -38,8 +38,6 @@ namespace spot
class formula
{
public:
virtual ~formula();
/// Entry point for vspot::ltl::visitor instances.
virtual void accept(visitor& v) = 0;
/// Entry point for vspot::ltl::const_visitor instances.
......@@ -61,6 +59,8 @@ namespace spot
static void unref(formula* f);
protected:
virtual ~formula();
/// \brief increment reference counter if any
virtual void ref_();
/// \brief decrement reference counter if any, return true when
......
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