FHIRPath Function: toLong

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Summary

• Category: Conversion
• Section: 5.5.3.3
• Return Type: Long
• Empty Input Result: empty
• Errors on Multiple Input: true

Description

If the input collection contains a single item, this function will return a single Long if the item is an Integer or Long, a String convertible to a 64 bit integer, or a Boolean.

Arguments

• none

Type Mapping

• Boolean-Long
• Integer-Long
• Long-Long
• String-Long

Example

'123'.toLong() // returns 123L
true.toLong() // returns 1L