execute method

  1. @override
List execute(
  1. List results,
  2. Map<String, dynamic> passed
)
override

The iterable, nested function that evaluates the entire FHIRPath expression one object at a time

Implementation

@override
List execute(List results, Map<String, dynamic> passed) => [
      results
          .map((e) => e is num
              ? e
              : throw FhirPathEvaluationException(
                  'sum() can only add numbers.',
                  operation: 'sum',
                  arguments: e,
                  collection: results))
          .sum
    ];