Is your feature request related to a problem? Please describe.
In my fairly pure Kotlin app I need to persist various types of data to disk, including List<LatLng>. I am switching to Kotlin serialization to do this, as it provides a straightforward framework that has recently seen a stable release. For now I intend to use stable Json-based Kotlin serialization, but may switch to a more compact format such as CBOR or protobuf as the respective library artifacts stabilize. LatLng from google-maps is a Java class and needs an external KSerializer to enable this.
Describe the solution you'd like
Add performant KSerializer implementation for LatLng that supports different Kotlin serialization formats, perhaps using the approach from https://github.com/Kotlin/kotlinx.serialization/blob/master/docs/serializers.md#hand-written-composite-serializer
Describe alternatives you've considered
I am writing my own KSerializer based on https://github.com/Kotlin/kotlinx.serialization/blob/master/docs/serializers.md#composite-serializer-via-surrogate. It is not as performant as the suggested hand-written composite serializer approach. It seems unnecessary for app developers to reinvent the wheel - LatLng is essentially a POJO that lends itself to serialization.
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Is your feature request related to a problem? Please describe.
In my fairly pure Kotlin app I need to persist various types of data to disk, including List<LatLng>. I am switching to Kotlin serialization to do this, as it provides a straightforward framework that has recently seen a stable release. For now I intend to use stable Json-based Kotlin serialization, but may switch to a more compact format such as CBOR or protobuf as the respective library artifacts stabilize. LatLng from google-maps is a Java class and needs an external KSerializer to enable this.
Describe the solution you'd like
Add performant KSerializer implementation for LatLng that supports different Kotlin serialization formats, perhaps using the approach from https://github.com/Kotlin/kotlinx.serialization/blob/master/docs/serializers.md#hand-written-composite-serializer
Describe alternatives you've considered
I am writing my own KSerializer based on https://github.com/Kotlin/kotlinx.serialization/blob/master/docs/serializers.md#composite-serializer-via-surrogate. It is not as performant as the suggested hand-written composite serializer approach. It seems unnecessary for app developers to reinvent the wheel - LatLng is essentially a POJO that lends itself to serialization.