Tokens and Types : Token Containers : TokenValued Hierarchy
 
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TokenValued Hierarchy
Token values have a hierarchy. At the top is type TokenValued, the most general type.
TokenValued
AecordValued
ScalarValued
BinaryValued,
BooleanValued,
CharValued,
DateValued,
DurationValued,
Ip4AddressValued,
Ip6AddressValued,
MoneyValued,
ObjectValued,
PeriodValued,
TimeValued,
TimestampValued
NumericValued
- DoubleValued
   -   FloatValued
      -   LongValued
            -   IntValued
StringValued
Note:  The NumericValued interfaces are arranged in a hierarchy consistent with Java’s widening primitive conversions. Thus an operator written to consume a double field type will automatically handle float, long, and int fields as well.