tvix/eval/src/tests/tvix_tests/eval-okay-builtins-filter.nix


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[
  (builtins.filter (_: true) [ 1 2 3 4 5 ])
  (builtins.filter (_: false) [ 1 2 3 4 5 ])
  (builtins.filter (x: x == 2) [ 1 2 1 2 1 2 ])

  (builtins.filter (x: (builtins.length x) > 0) [
    [ ]
    [ 1 2 ]
    [ ]
    [ ]
    [ 3 4 ]
  ])
]