quorum-set 0.1.0

use std::fmt::Debug;
use std::fmt::Display;
use std::fmt::Formatter;

use super::VecProgressEntry;
use super::vec_progress::VecProgress;
use crate::quorum::QuorumSet;

/// Display adapter returned by [`VecProgress::display_with`].
pub struct DisplayVecProgress<'a, Entry, QS, Fmt>
where
    Entry: VecProgressEntry,
    Entry::Id: Ord + Clone + Debug,
    Entry::Progress: Debug,
    QS: QuorumSet<Id = Entry::Id>,
    Fmt: Fn(&mut Formatter<'_>, &Entry) -> std::fmt::Result,
{
    pub(crate) inner: &'a VecProgress<Entry, QS>,
    pub(crate) f: Fmt,
}

impl<Entry, QS, Fmt> Display for DisplayVecProgress<'_, Entry, QS, Fmt>
where
    Entry: VecProgressEntry,
    Entry::Id: Ord + Clone + Debug,
    Entry::Progress: Debug,
    QS: QuorumSet<Id = Entry::Id>,
    Fmt: Fn(&mut Formatter<'_>, &Entry) -> std::fmt::Result,
{
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        write!(f, "{{")?;
        for (i, item) in self.inner.iter().enumerate() {
            if i > 0 {
                write!(f, ", ")?;
            }
            (self.f)(f, item)?;
        }
        write!(f, "}}")?;

        Ok(())
    }
}