containsValue method

ValueCell<bool> containsValue(
  1. ValueCell val
)

Returns a cell which evaluates to true if the Map held in this cell contains the value val.

Implementation

ValueCell<bool> containsValue(ValueCell val) => (this, val).apply((map, v) => map.containsValue(v),
    key: _MapMethodKey(this, #containsValue, val),
).store(changesOnly: true);