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pub trait Sortable
{
type Item;
fn sort_by_key_b<Key, Func>(&mut self, func: Func)
where
Func: FnMut(&Self::Item) -> Key,
Key: Ord;
}
impl<Item> Sortable for [Item]
{
type Item = Item;
fn sort_by_key_b<Key, Func>(&mut self, func: Func)
where
Func: FnMut(&Self::Item) -> Key,
Key: Ord,
{
self.sort_by_key(func)
}
}
impl<Item, const LENGTH: usize> Sortable for [Item; LENGTH]
{
type Item = Item;
fn sort_by_key_b<Key, Func>(&mut self, func: Func)
where
Func: FnMut(&Self::Item) -> Key,
Key: Ord,
{
self.sort_by_key(func)
}
}
impl<Item> Sortable for Vec<Item>
{
type Item = Item;
fn sort_by_key_b<Key, Func>(&mut self, func: Func)
where
Func: FnMut(&Self::Item) -> Key,
Key: Ord,
{
self.sort_by_key(func)
}
}
|
