There were a few attempts to do this with generics, some seem decent. But I've always found myself preferring to write a few extra lines than using such a langu

There were a few attempts to do this with generics, some seem decent. But I've always found myself preferring to write a few extra lines than using such a language extension. It boils down to tool support for me. If you can't have code completion and things like gofmt, no one (well, at least not me) is going to use such a thing.