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Added optional counter type to instance_count.

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This commit is contained in:
John Wellbelove 2022-03-05 18:00:37 +00:00
parent dda482a321
commit 55aa55a269
1 changed files with 13 additions and 10 deletions
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23
include/etl/instance_count.h
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@ -44,17 +44,20 @@ namespace etl
/// Inherit from this to count instances of a type.
///\ingroup reference
//***************************************************************************
template <typename T>
template <typename T, typename TCounter = int32_t>
class instance_count
{
public:
typedef T type;
typedef TCounter counter_type;
//*************************************************************************
/// Construct and add 1.
//*************************************************************************
instance_count()
{
++how_many();
++current_instance_count();
}
//*************************************************************************
@ -62,7 +65,7 @@ namespace etl
//*************************************************************************
instance_count(const instance_count&)
{
++how_many();
++current_instance_count();
}
//*************************************************************************
@ -78,15 +81,15 @@ namespace etl
//*************************************************************************
~instance_count()
{
--how_many();
--current_instance_count();
}
//*************************************************************************
/// Get how many instances we have.
//*************************************************************************
static int32_t get_instance_count()
static const counter_type& get_instance_count()
{
return how_many();
return current_instance_count();
}
//*************************************************************************
@ -94,7 +97,7 @@ namespace etl
//*************************************************************************
static void reset_instance_count()
{
how_many() = 0;
current_instance_count() = 0;
}
private:
@ -102,10 +105,10 @@ namespace etl
//*************************************************************************
/// Get a referenceto the count.
//*************************************************************************
static int32_t& how_many()
static counter_type& current_instance_count()
{
static int32_t count = 0;
return count;
static counter_type counter = 0;
return counter;
}
};
}