Abstract
This article presents a tool for type-safe detection and merging of changes in information objects. This problem usually occurs as part of data migration and integration processes. Data can have a complex structure consisting of multiple properties and nested objects. We propose a tool that simplifies the solution of this problem with the help of a type-safe approach to data merging. This approach helps to reduce the number of errors and the number of situations when merging cannot be applied. It is possible due to reliance on the type theory. Scala programming language is used to achieve the goals of type-safe processing. We extensively use such its features as heterogeneous collections and implicits. The essence of the tool is to provide API for solving the task, minimizing or completely eliminating the number of exceptional situations.
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