How can I emit comments in a YAML document using Psych? [duplicate]

问题

This question already has an answer here:

Adding comment to YAML programmatically (1 answer)

Closed 4 years ago.

I want to generate a YAML document with some comments between sequence elements but I can't really figure out how to do this. Any pointers?

回答1:

You can’t emit YAML documents containing comments with Psych. Psych basically dumps a Hash, and you can’t have comments in a Hash either.

来源：https://stackoverflow.com/questions/16889044/how-can-i-emit-comments-in-a-yaml-document-using-psych