How to merge two maps in Groovy?
One of the most popular map-related operation in any programming language is merging two (or more) maps. In this short blog post, I explain how to do it in the Groovy programming language, starting from the simplest
+ operation, up to more advanced use cases of merging nested maps and using runtime metaprogramming to add a
merge method to the
Map interface. Enjoy reading and learning!