any bit is accetable if bit == 0

Result was a success, or failure is suppressed

@brief return whether value is an array @sa https://json.nlohmann.me/api/basic_json/is_array/

Returns the line where this test is defined.

Advances the begin iterator to `it`.

boost::hash_combine

@brief return whether value is null @sa https://json.nlohmann.me/api/basic_json/is_null/

Expects that the EXPECT_CALL() statement has the given property.

can't use conversion operator because of ambiguity