I'm also 37. Two younger colleagues were complaining this week that something like `os.MkDir(..., 0755)` is extremely confusing and that they don't like and can

I'm also 37. Two younger colleagues were complaining this week that something like `os.MkDir(..., 0755)` is extremely confusing and that they don't like and can't make sense of octal file permissions. I felt really old :)