kotlinx.serialization

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Passing serializers dynamically

13

It would be really useful if we could specify serializers for non-serializable properties at runtime, similarly to how we specify serializers for generic properties. An imaginatory API could look like...

arkivanov

Compilation fails with MethodTooLargeException on large sealed class

10

**Describe the bug** When attempting to compile a `@Serializable` sealed class with ~2,000 subclasses compilation fails with a `MethodTooLargeException`. This appears to be related to the way the default `SealedClassSerializer`...

vrendina

java.lang.ClassFormatError: Too many arguments in method signature for `Serializable` data class

1

Recently, in Adyen we ran into [this issue](https://github.com/Kotlin/kotlinx.serialization/issues/632) of having too many arguments in method signature when constructing a serializable data class. And we were considering implementing and upstreaming the...

AmrNashat-Adyen

CBOR serializer encodes null class instance as empty map instead of null

22

Traced to this line: https://github.com/Kotlin/kotlinx.serialization/blob/d4d066d72a9f92f06c640be5a36a22f75d0d7659/formats/cbor/commonMain/src/kotlinx/serialization/cbor/internal/Encoder.kt#L106 I consider this a bug. Null objects should be encoded as the simple type `null`, no matter whether they are class types or other types....

Jacob-Amazon

Newline '\n' vs '\\n'

1

**Describe the bug** In json, if we get: ``` { "someKey": "some long text \nAnotherline" } ``` Everything works as intended but if that '\n' was '\\n' it just outputs...

jmiecz

Add @HoconName annotation

5

Current implementation doesn't give users any chance to control the property name in Hocon representation when they use the `useConfigNamingConvention`.

ihostage

Mechanism to filter/transform JSON primitives during decoding

11

**What is your use-case and why do you need this feature?** I have a web application and I would like to reject strings that contain control characters (`\u0000` to `\u001F`...

pschichtel

Let's take the following annotated Kotlin class: ```kt @JsExport @Serializable public class ZCSet( public val desc: String?, public val isSel: Boolean?, public val subset: Int?, ) ``` On Kotlin/JS, when...

lppedd

Unboxing null string values from JSON.

1

I have an API that I'm dealing with that will return nulls encoded as a string "null", for example: data model: ```kotlin @Serializable data class NullableString(val value: String? = null)...

mandrachek

SerialName duplication for different polymorphic heirarchies causes collisons when `namingStrategy` is set.

3

**Describe the bug** We have parallel heirarchies of polymorphic classes. We were seeing fields in one heirarchy appearing in the serialized output of the other; only when `namingStrategy` is set....

FlightOfStairs