pub fn and_modify<F: FnOnce(&mut V)>(mut self, f: F) -> Entry<'a, K, V>
    {
	if let Self::Occupied(occuped) = &mut self {
	    f(occuped.get_mut())
	}
	self
    }
/// Run this closure on a mutable reference to the internal value if it is present, otherwise do nothing.
Run this closure on a mutable reference to the internal value if it is present, otherwise do nothing.
Run this closure on a mutable reference to the internal value if it is present otherwise do nothing .
pub fn and_modify<F: FnOnce(&mut V)>(mut self, f: F) -> Entry<'a, K, V>
    {
	if let Self::Occupied(occuped) = &mut self {
	    f(occuped.get_mut())
	}
	self
    }
pub fn and_modify < F : FnOnce ( & mut V ) > ( mut self , f : F ) -> Entry < ' a , K , V > { if let Self :: Occupied ( occuped ) = & mut self { f ( occuped . get_mut ( ) ) } self }
Run this closure on a mutable reference to the internal value if it is present, otherwise do nothing.
Run this closure on a mutable reference to the internal value if it is present otherwise do nothing .
mut self
f
F