pub fn format<'a, I, B>(
w: &mut Formatter<'_>,
date: Option<&NaiveDate>,
time: Option<&NaiveTime>,
off: Option<&(String, FixedOffset)>,
items: I
) -> Result where
I: Iterator<Item = B> + Clone,
B: Borrow<Item<'a>>, Expand description
Tries to format given arguments with given formatting items.
Internally used by DelayedFormat.