If language features were free we'd likely have had generics for a long time now. Unfortunately generics is a trade-off: you get development speed/ease and pay for it in compile time, binary size and/or execution speed.
This seems to be slowly changing, but Go was designed to be a solution to Google problems - python being slow but some c++ applications taking literal hours to compile. Keeping that perspective in mind makes it easier to understand why Go maintainers have not accepted an implementation of generics into the language yet.
This seems to be slowly changing, but Go was designed to be a solution to Google problems - python being slow but some c++ applications taking literal hours to compile. Keeping that perspective in mind makes it easier to understand why Go maintainers have not accepted an implementation of generics into the language yet.