FHIRPath Operator: | (union)

Merge the two collections into a single collection, eliminating any duplicate values (using equals (=)) to determine equality). There is no expectation of order in the resulting collection.

See the union function for more detail.

Summary

• Category: Collections
• Section: 6.4.1
• Left Argument: collection
• Right Argument: collection
• Return Type: collection
• Empty Input Result: empty
• Errors on Multiple Input: false

Description

Merge the two collections into a single collection, eliminating any duplicate values (using equals = to determine equality). There is no expectation of order in the resulting collection.

Type Mapping

• collection-collection