Liberator.Resource.if_modified_since_exists-question-mark
You're seeing just the callback
if_modified_since_exists-question-mark
, go back to Liberator.Resource module for more information.
Specs
if_modified_since_exists?(Plug.Conn.t()) :: true | false
Check if the If-Modified-Since
header exists.
Used internally; it is not advised to override this function.