Enum MapDiff 

pub enum MapDiff<K, V> {
    Replace {
        entries: Vec<(K, V)>,
    },
    Insert {
        key: K,
        value: V,
    },
    Update {
        key: K,
        value: V,
    },
    Remove {
        key: K,
    },
    Clear,
}

Describes the mutations made to the underlying MutableBTreeMap that are piped to downstream SignalMaps.

Variants

Replace

Fields

entries: Vec<(K, V)>

Insert

Fields

key: K

value: V

Update

Fields

key: K

value: V

Remove

Fields

key: K

Clear

Implementations

impl<K, V> MapDiff<K, V>

pub fn map_value<O, F>(self, callback: F) -> MapDiff<K, O>

where F: FnMut(V) -> O,

Maps the value part of the diff, preserving the key and diff type.

Trait Implementations

impl<K, V> Clone for MapDiff<K, V>

where K: Clone, V: Clone,

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<K, V> Debug for MapDiff<K, V>

where K: Debug, V: Debug,

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.