Type Alias MapMultiOpts<V>

MapMultiOpts<V>: {
groupBy?: ((value: V) => string);
}

Type Parameters

V

Type declaration

Optional ReadonlygroupBy?: ((value: V) => string)
Returns a group for values added via addValue. Eg. maybe you want to group values in the shape {name: 'Samantha' city: 'Copenhagen'} by city:
```
const opts = {
 groupBy: (v) => v.city
}
```
- - (value): string
  - Parameters
    - value: V
    Returns string