Module: Google::Protobuf::Field::Cardinality
- Defined in:
- proto_docs/google/protobuf/type.rb
Overview
Whether a field is optional, required, or repeated.
Constant Summary collapse
- CARDINALITY_UNKNOWN =
For fields with unknown cardinality.
0
- CARDINALITY_OPTIONAL =
For optional fields.
1
- CARDINALITY_REQUIRED =
For required fields. Proto2 syntax only.
2
- CARDINALITY_REPEATED =
For repeated fields.
3