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Hi i thought i understood Either, then i tried employing `io.arrow-kt:arrow-core-retrofit` in my and...
# arrow
t
Hi i thought i understood Either, then i tried employing 
io.arrow-kt:arrow-core-retrofit
in my android application 🤦‍♂️
previously i was checking
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if (response.isSuccessful && response.code() == HttpURLConnection.HTTP_OK) {
} else manageHTTPError(response)
where response is 
retrofit2.Response
How do I get to check the same values when I refactor to this
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Either<NetworkException, Response<UserInfoResponse>>
in my retrofit API interface?
s
the way to use it is: 
Either<ErrorBody, SuccessBody>
2xx response codes get deserialised into 
SuccessBody
and other HTTP codes (errors) get deserialised into 
ErrorBody
other errors (e.g. 
IOException
) still throw
t
what about the case when I need to detect a certain HTTP code though?, such as 204 for my internet connectivity test network call to
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private const val GOOGLE_CONNECTIVITY_CHECK_URL = "<https://connectivitycheck.gstatic.com/generate_204>"
s
in that case you can use 
ResponseE<ErrorBody, SuccessBody>
where 
ResponseE
is like 
Response
from retrofit but has an 
Either
for success/error
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