只有运行时期间存在源数据时,才会执行任何对可选源数据进行操作的转换,否则,将不会发生转换。
Any transformations operating over optional source data will only execute if the source data exists during runtime. Otherwise, the transformation will not occur.
在多数情况下这不会发生问题,但是当一个IDL无符号整数取值正好落在最高位所限制的取值范围中时,类型转换就会发生不匹配的错误。
In most situations this does not pose a problem but for the translation of an IDL unsigned integer type whose value falls inside the number range of its highest order bit there will be a mismatch.
这个转换只接受结构化的元素:从例如状态机或者活动的行为模型中不会发生任何生成的动作。
This transformation only accepts structural items: no generation takes place from behavior models such as state machines or activities.
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