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# Type
---
## Object Definitions
```c
#define KPL_TYPE_BLOCK_ARRAY_SIZE UINT16_MAX
#define KPL_TYPE_BLOCKS_SIZE UINT16_MAX
typedef struct {
uint16_t block_index, array_index;
} kpl_type_ptr;
static const kpl_type_ptr kpl_type_ptr_null = { UINT16_MAX, UINT16_MAX };
typedef enum : uint8_t {
// ...
} kpl_type_template;
typedef enum : uint8_t {
CONST = 1 << 0
EMPTY = 1 << 1,
REF = 1 << 2,
SHARED = 1 << 3,
COUTING = 1 << 4,
TRACING = 1 << 5
} kpl_type_flags;
typedef union {
// ...
} kpl_type_body;
typedef struct {
kpl_type_template template;
kpl_type_flags flags;
_Atomic unt16_t ref_count;
kpl_type_ptr self, prev, next, parent;
kpl_type_body body;
} kpl_type;
static size_t type_array_block_index;
static kpl_type *type_array_blocks[KPL_TYPE_BLOCKS_SIZE];
static kpl_type_ptr type_pool_head;
```
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