Transforms can be stateless or stateful. A stateless transform is just a function that takes chunks and returns transformed chunks:
In addition to being less dependent on imports, the U.S. economy is much less oil-intensive than it used to be, producing more economic value with far less oil use today than in the past.。钉钉对此有专业解读
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Basili与Hutchens（1981）通过分析19个程序样本，发现代码行数与程序容量指标相关系数达+0.98，与圈复杂度相关性为+0.88。相较于Halstead复杂度、控制流图、嵌套深度等其他指标，简单行数统计对工作量的预测效果最为准确。