Function deltachat::imap::get_uid_next

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async fn get_uid_next(context: &Context, folder: &str) -> Result<u32>
Expand description

uid_next is the next unique identifier value from the last time we fetched a folder See This method returns the uid_next from the last time we fetched messages. We can compare this to the current uid_next to find out whether there are new messages and fetch from this value on to get all new messages.