warning[bool_int_comparison]: comparison between boolean and integer
--> line:4:13
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4 | condition: 0 == test_proto2.array_bool[0]
| ------------------------------ this is comparing an integer and a boolean
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help: consider the following change
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4 - condition: 0 == test_proto2.array_bool[0]
4 + condition: not test_proto2.array_bool[0]
|