Function InnerType

type.go:335–344

Utilities shared by complex types (ie, set and array) InnerType returns the element type for the underlying set or array type or nil if the underlying type is not a set or array.

(typ Type)

// InnerType returns the element type for the underlying set or array type or
// nil if the underlying type is not a set or array.
func InnerType(typ Type) Type {
	switch typ := TypeUnder(typ).(type) {
	case *TypeSet:
		return typ.Type
	case *TypeArray:
		return typ.Type
	default:
		return nil
	}
}

func IsUnionType(typ Type) bool {
	_, ok := TypeUnder(typ).(*TypeUnion)