FHIRPath Function: toChars

Returns the list of characters in the input string. If the input collection is empty ({ }), the result is empty.

If the input collection contains multiple items, the evaluation of the expression will end and signal an error to the calling environment.

'abc'.toChars() // { 'a', 'b', 'c' }

Summary

• Category: String Manipulation
• Section: 5.6.14
• Return Type: collection
• Empty Input Result: empty
• Errors on Multiple Input: true

Description

Returns a collection with one string for each character in the input, in the order in which they appear in the string.

Arguments

• none

Type Mapping

• String-String

Example

'abc'.toChars() // {'a', 'b', 'c'}