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#serialization
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# serialization
t
thevery
10/17/2018, 10:34 AM@sandwwraith is there any updated doc on writing custom serializer? This one uses deprecated code and doesn't compile: https://github.com/Kotlin/kotlinx.serialization/blob/master/docs/custom_serializers.md#customizing
this note (https://github.com/Kotlin/kotlinx.serialization/blob/4ae3d34a05616d6542eca2b88afc7e30f9a0d9b6/docs/eap13.md#migration-guide) touches migrations a bit, but KSerialClassDesc/SerialDescriptor is still not explained
s
sandwwraith
10/17/2018, 12:06 PMSerialDescriptor is briefly explained in KEEP: https://github.com/Kotlin/KEEP/blob/serialization/proposals/extensions/serialization.md#descriptor-of-a-serializable-entity . But indeed, it needs more documentation. Core problem with example that KOutput was split into two interfaces: one which allows writing primitive values, and one which allows write structured data. So, here example assumes that Data would be written as a single String, so it is sufficient to call
Encoder.encodeStringobject StringDescriptort
thevery
10/17/2018, 12:29 PMYes, actually I'm struggling with polymorphic object (not primitive) deserializer - is there any sample for this?
Copy code
[
{
"type": "string",
"string": "Hello!"
},
{
"type": "datetime",
"datetime": "2018-10-05T14:36:48.997000+00:00"
}
]s
sandwwraith
10/17/2018, 2:42 PMProbably this https://github.com/Kotlin/kotlinx.serialization/blob/eap13/runtime/common/src/test/kotlin/kotlinx/serialization/CustomSerializersTest.kt#L67 and this https://github.com/Kotlin/kotlinx.serialization/blob/master/runtime/jvm/src/test/kotlin/kotlinx/serialization/formats/json/JsonTreeAndMapperTest.kt#L35 could help you a little to understand how encoder calls should be laid out
t
thevery
10/17/2018, 11:10 PMwow great links 👍
definitely should be in docs/samples
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