Type Alias ProgressCallback

pub type ProgressCallback<'a> = Option<&'a mut dyn FnMut(usize, usize, &str)>;

Progress callback type: (bytes_written, total_bytes, message)

Aliased Type

enum ProgressCallback<'a> {
    None,
    Some(&'a mut dyn FnMut(usize, usize, &str)),
}

Variants

None

No value.

Some(&'a mut dyn FnMut(usize, usize, &str))

Some value of type T.