Daniel Schaefer 786f02f7a4 treewide: Remove usage of isNull
isNull "is deprecated; just write e == null instead" says the Nix manual
2019-04-29 14:05:50 +02:00
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2019-04-29 14:05:50 +02:00
2016-01-17 22:05:13 +00:00
2019-04-13 22:14:37 -05:00