The variable "heading" is derived (calculated) and logically should have been so from the beginning. This allows developers to have an intuitive understanding of the data source (all related logic is aggregated within one method). Compared to writing it directly in the outer layer, wrapping it in a function has its own advantages, and of course, the most important is its natural responsiveness without any additional cognitive burden.
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The variable "heading" is derived (calculated) and logically should have been so from the beginning. This allows developers to have an intuitive understanding of the data source (all related logic is aggregated within one method). Compared to writing it directly in the outer layer, wrapping it in a function has its own advantages, and of course, the most important is its natural responsiveness without any additional cognitive burden.