Mongo.Repo.insert-exclamation-mark

You're seeing just the callback insert-exclamation-mark, go back to Mongo.Repo module for more information.
Link to this callback

insert!(doc, opts)

View Source (optional)

Specs

insert!(doc :: Mongo.Collection.t(), opts :: Keyword.t()) ::
  Mongo.Collection.t()

Same as Mongo.Repo.insert/2 but raises an error.