-- in.cue --
eql: null == null @test(eq, true)
neq: null != null @test(eq, false)
unf: null & null  @test(eq, null)

// errors
eq1:  null == 1   @test(eq, false)
eq2:  1 == null   @test(eq, false)
ne1:  "s" != null @test(eq, true)
call: null()      @test(err, code=eval, pos=[0:7], contains="cannot call non-function")
-- out/errors.txt --
[eval] call: cannot call non-function null (type null):
    ./in.cue:9:7
-- out/eval/stats --
Leaks:  0
Freed:  8
Reused: 6
Allocs: 2
Retain: 0

Unifications: 8
Conjuncts:    9
Disjuncts:    8
