ATTR_KIND

        const ATTR_KIND = enum(u32) {
            ALIGNMENT = 1,
            ALWAYS_INLINE = 2,
            BY_VAL = 3,
            INLINE_HINT = 4,
            IN_REG = 5,
            MIN_SIZE = 6,
            NAKED = 7,
            NEST = 8,
            NO_ALIAS = 9,
            NO_BUILTIN = 10,
            NO_CAPTURE = 11,
            NO_DUPLICATE = 12,
            NO_IMPLICIT_FLOAT = 13,
            NO_INLINE = 14,
            NON_LAZY_BIND = 15,
            NO_RED_ZONE = 16,
            NO_RETURN = 17,
            NO_UNWIND = 18,
            OPTIMIZE_FOR_SIZE = 19,
            READ_NONE = 20,
            READ_ONLY = 21,
            RETURNED = 22,
            RETURNS_TWICE = 23,
            S_EXT = 24,
            STACK_ALIGNMENT = 25,
            STACK_PROTECT = 26,
            STACK_PROTECT_REQ = 27,
            STACK_PROTECT_STRONG = 28,
            STRUCT_RET = 29,
            SANITIZE_ADDRESS = 30,
            SANITIZE_THREAD = 31,
            SANITIZE_MEMORY = 32,
            UW_TABLE = 33,
            Z_EXT = 34,
            BUILTIN = 35,
            COLD = 36,
            OPTIMIZE_NONE = 37,
            IN_ALLOCA = 38,
            NON_NULL = 39,
            JUMP_TABLE = 40,
            DEREFERENCEABLE = 41,
            DEREFERENCEABLE_OR_NULL = 42,
            CONVERGENT = 43,
            SAFESTACK = 44,
            ARGMEMONLY = 45,
            SWIFT_SELF = 46,
            SWIFT_ERROR = 47,
            NO_RECURSE = 48,
            INACCESSIBLEMEM_ONLY = 49,
            INACCESSIBLEMEM_OR_ARGMEMONLY = 50,
            ALLOC_SIZE = 51,
            WRITEONLY = 52,
            SPECULATABLE = 53,
            STRICT_FP = 54,
            SANITIZE_HWADDRESS = 55,
            NOCF_CHECK = 56,
            OPT_FOR_FUZZING = 57,
            SHADOWCALLSTACK = 58,
            SPECULATIVE_LOAD_HARDENING = 59,
            IMMARG = 60,
            WILLRETURN = 61,
            NOFREE = 62,
            NOSYNC = 63,
            SANITIZE_MEMTAG = 64,
            PREALLOCATED = 65,
            NO_MERGE = 66,
            NULL_POINTER_IS_VALID = 67,
            NOUNDEF = 68,
            BYREF = 69,
            MUSTPROGRESS = 70,
            NO_CALLBACK = 71,
            HOT = 72,
            NO_PROFILE = 73,
            VSCALE_RANGE = 74,
            SWIFT_ASYNC = 75,
            NO_SANITIZE_COVERAGE = 76,
            ELEMENTTYPE = 77,
            DISABLE_SANITIZER_INSTRUMENTATION = 78,
            NO_SANITIZE_BOUNDS = 79,
            ALLOC_ALIGN = 80,
            ALLOCATED_POINTER = 81,
            ALLOC_KIND = 82,
            PRESPLIT_COROUTINE = 83,
            FNRETTHUNK_EXTERN = 84,
            SKIP_PROFILE = 85,
            MEMORY = 86,
            NOFPCLASS = 87,
            OPTIMIZE_FOR_DEBUGGING = 88,
            WRITABLE = 89,
            CORO_ONLY_DESTROY_WHEN_COMPLETE = 90,
            DEAD_ON_UNWIND = 91,
            RANGE = 92,
            SANITIZE_NUMERICAL_STABILITY = 93,
            INITIALIZES = 94,
            HYBRID_PATCHABLE = 95,
            SANITIZE_REALTIME = 96,
            SANITIZE_REALTIME_BLOCKING = 97,
            CORO_ELIDE_SAFE = 98,
            NO_EXT = 99,
            NO_DIVERGENCE_SOURCE = 100,
            SANITIZE_TYPE = 101,
            CAPTURES = 102,
            DEAD_ON_RETURN = 103,
            SANITIZE_ALLOC_TOKEN = 104,
            NO_CREATE_UNDEF_OR_POISON = 105,
            DENORMAL_FPENV = 106,
            NOOUTLINE = 107,
            FLATTEN = 108,
        }