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putil: make ButtonHandle::none() constexpr

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This commit is contained in:
rdb 2018-09-04 12:01:34 +02:00
parent 809f9b04f6
commit 11ecd3af87
3 changed files with 1 additions and 14 deletions
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9
panda/src/putil/buttonHandle.I
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@ -137,15 +137,6 @@ output(std::ostream &out) const {
out << get_name();
}
/**
* Returns a special zero-valued ButtonHandle that is used to indicate no
* button.
*/
INLINE ButtonHandle ButtonHandle::
none() {
return _none;
}
/**
* ButtonHandle::none() evaluates to false, everything else evaluates to true.
*/

3
panda/src/putil/buttonHandle.cxx
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@ -14,9 +14,6 @@
#include "buttonHandle.h"
#include "buttonRegistry.h"
// This is initialized to zero by static initialization.
ButtonHandle ButtonHandle::_none;
TypeHandle ButtonHandle::_type_handle;
/**

3
panda/src/putil/buttonHandle.h
View File

@ -53,7 +53,7 @@ PUBLISHED:
constexpr int get_index() const;
INLINE void output(std::ostream &out) const;
INLINE static ButtonHandle none();
constexpr static ButtonHandle none() { return ButtonHandle(0); }
INLINE operator bool () const;
@ -65,7 +65,6 @@ PUBLISHED:
private:
int _index;
static ButtonHandle _none;
public:
static TypeHandle get_class_type() {