They are both serialization formats that are supposed to be able to represent the same thing. Converting between these 2 formats is used in the article as a way to highlight yaml’s parsing quirks (since JSON only has a single way to represent the false boolean value, it makes it clear that the no value in yaml is interpreted as a boolean false and not as the "no" string)
Anyway, I disagree with your point about YAML and JSON not being interchangeable
They are both serialization formats that are supposed to be able to represent the same thing. Converting between these 2 formats is used in the article as a way to highlight yaml’s parsing quirks (since JSON only has a single way to represent the
falseboolean value, it makes it clear that thenovalue in yaml is interpreted as a booleanfalseand not as the"no"string)Anyway, I disagree with your point about YAML and JSON not being interchangeable