Type Alias DownloadProgressCallbackOption

pub type DownloadProgressCallbackOption<'a> = Option<Box<dyn FnMut(&DownloadProgressRecord) -> bool + 'a>>;

Aliased Type

enum DownloadProgressCallbackOption<'a> {
    None,
    Some(Box<dyn FnMut(&DownloadProgressRecord) -> bool + 'a>),
}

Variants

None

No value.

Some(Box<dyn FnMut(&DownloadProgressRecord) -> bool + 'a>)

Some value of type T.