AST is a data structure abstract syntax tree used in compiler. Following is a good post, recommend it.
For further actions, you may consider blocking this person and/or reporting abuse
Once suspended, chenge will not be able to comment or publish posts until their suspension is removed.
Once unsuspended, chenge will be able to comment and publish posts again.
Once unpublished, all posts by chenge will become hidden and only accessible to themselves.
If chenge is not suspended, they can still re-publish their posts from their dashboard.
Once unpublished, this post will become invisible to the public and only accessible to chenge.
They can still re-publish the post if they are not suspended.
Thanks for keeping DEV Community safe. Here is what you can do to flag chenge:
Unflagging chenge will restore default visibility to their posts.