OCLOperators notEmpty
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=== notEmpty () : Boolean ===
=== notEmpty () : Boolean ===
Returns true if ''self'' contains at least one element - otherwise, returns false.
Returns true if ''self'' contains at least one element - otherwise, returns false.
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''Never'' use ->notEmpty on a value type. The value will be converted to a list (with the value as its only item) and that will always evaluate to True.
''Never'' use ->notEmpty on a value type. The value will be converted to a list (with the value as its only item) and that will always evaluate to True.


See also: [[OCLOperators isEmpty]]
'''See also:''' [[Documentation:OCLOperators isEmpty|OCLOperators isEmpty]]
[[Category:OCLOperators]]
[[Category:OCL Collection Operators]]
{{Edited|July|12|2025}}

Latest revision as of 05:56, 11 February 2025

This page was created by Alexandra on 2017-08-13. Last edited by Stephanie@mdriven.net on 2025-02-11.

notEmpty () : Boolean

Returns true if self contains at least one element - otherwise, returns false.

Expression Result
Sequence{2, 'a'}->notEmpty() true
Sequence{null}->notEmpty() true
Sequence{}->notEmpty() false
Warning!

Never use ->notEmpty on a value type. The value will be converted to a list (with the value as its only item) and that will always evaluate to True.

See also: OCLOperators isEmpty