function
DescendantTraits
DescendantTraits summarizes the fields beneath field, as ListTraits does.
Arguments
| Argument | Type | Description |
|---|---|---|
field | Field | The field value. |
Returns
The declared result.
FieldTraitsFull signature
Related types
FieldThe resolved contract for one field.
FieldTraitsFieldTraits summarizes the fields of a list or beneath a field, so a value traversal can skip a subtree whose schema cannot need it.