Function update

update<V>(updater): (<K>(key) => ((m) => Map<K, V>))
Modifies or removes entry with the key, or does nothing if there isn't.
Type Parameters
- V
Parameters
- updater: ((oldValue) => Option<V>)
  Function to map the value. When it returned None, the entry will be removed.
  - - (oldValue): Option<V>
    - Parameters
      oldValue: V
      Returns Option<V>
Returns (<K>(key) => ((m) => Map<K, V>))
A new Map with the replaced entry, or as is if there isn't.
- - <K>(key): ((m) => Map<K, V>)
  - Type Parameters
    - K
    Parameters
    - key: K
    Returns ((m) => Map<K, V>)
    - - (m): Map<K, V>
      - Parameters
        m: Map<K, V>
        Returns Map<K, V>
- Defined in src/map.ts:432

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