As an aside, while doing the final skim before publishing I wanted to reference a definition of a "seam" in programming. I've always had this in my head as som

As an aside, while doing the final skim before publishing I wanted to reference a definition of a "seam" in programming. I've always had this in my head as something Martin Fowler used, and thought it funny that when Googling "Martin Fowler seam", the top result was a very similar article about how to refactor code that accesses external services: - https://martinfowler.com/articles/refactoring-external-service.html https://martinfowler.com/articles/refactoring-external-servi... I guess this post can be viewed as a Go example of those techniques, within a modern context.