A.4. 十进制 原语
代表真实数字的数学概念。
目前，引擎使用 32 位IEEE 754 单精确浮动点数实施此类型。
对于某些属性而言，这不够精确。在这种特殊情况下，引擎使用 64 位双精确浮动点数，特别是以下属性：
-
QuotaStorageLimit.usage -
QuotaStorageLimit.memory_limit -
QuotaStorageLimit.memory_usage
注意
将来，十进制类型将使用无限制的十进制数字实施，因此上述限制和例外最终会消失。
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