Method progress

src/attr.rs:251–257

(&self, percent: f32)

    #[inline]
    #[must_use]
    pub(crate) fn progress(&self, percent: f32) -> bool {
        if let Some(f) = &self.progress_callback {
            f(percent) == ControlFlow::Break
        } else {
            false
        }
    }

    #[inline(always)]
    pub(crate) fn verbose_print(&self, msg: impl AsRef<str>) {