pub trait LeanFmt {
// Required method
fn lean_fmt(
&self,
f: &mut Formatter<'_>,
cx: &LeanCtxt<'_, '_, '_>,
) -> Result;
}pub trait LeanFmt {
// Required method
fn lean_fmt(
&self,
f: &mut Formatter<'_>,
cx: &LeanCtxt<'_, '_, '_>,
) -> Result;
}