> You may be proud to have mastered a little-used feature in your language of choice that saves you a line of code here and there, but if the cost is that 80% o

> You may be proud to have mastered a little-used feature in your language of choice that saves you a line of code here and there, but if the cost is that 80% of the people reading your code later are confused, you're not winning. What if it's a feature little-known within your team, but considered common or even idiomatic in the wider world?