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
2019-04-15 19:06:57 +02:00
2019-03-09 14:25:05 -05:00