TL;DR Source code and self-explanatory screenshot: https://github.com/comail/colog The Go team made a conscious decision of not including a leveled log (debug, info, warning, etc.) solution in the standard library. Lots of people have an opinion of how logging should be done and logging libraries are fairly trivial to create, so even if they released the internal library used at Google it did non prevent logging libraries to pop up like mushrooms. Although not a de facto standard, perhaps the...
