(MODULES-7768) Handle nil in delete_undef_values() function #954
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PUP-9112 changed use of
:undefinside structured values to insteadusing
nilin Puppet 6.0.0. Thedelete_undef_values()functionwas not prepared to handle this and would not delete
nilfromArrayorHashvalues.This commit fixes this problem.
All 3.x functions in stdlib were reviewed for the same problem, and only
delete_undef_values()had this problem.