3v1n0

import kotlinx.serialization.*
import kotlinx.serialization.descriptors.SerialDescriptor
import kotlinx.serialization.encoding.CompositeDecoder
import kotlinx.serialization.encoding.Decoder
import kotlinx.serialization.encoding.Encoder
import kotlinx.serialization.json.*
import kotlin.reflect.KType
import kotlin.reflect.full.isSubtypeOf
import kotlin.reflect.full.starProjectedType

dant3

inline fun <reified T> isNullable(): Boolean = null is T

beyondeye

/**
 * allow to define callback wrappers that are protected  from accidental multiple calls to resume/resumeWithException
 * Created by daely on 3/30/2017.
 */
class WrappedContinuation<T>(val c: Continuation<T>) : Continuation<T> {
    var isResolved = false
    override val context: CoroutineContext
        get() = c.context

    override fun resume(value: T) {

Miha-x64

package net.aquadc.common
// Gist: https://gist.github.com/Miha-x64/5f626228b34175f827734596d6701008

import java.util.*

// maps

inline fun <reified K : Enum<K>, V> enumMapOf(): MutableMap<K, V> {
    return EnumMap<K, V>(K::class.java)
}

timyates

// Version using experimental co-routines in 1.1 thanks to @voddan on Slack
import kotlin.coroutines.experimental.buildSequence

fun <T> Sequence<T>.repeat() : Sequence<T> = buildSequence {
    while(true) yieldAll(this@repeat)
}

fun main(args: Array<String>) {
    sequenceOf(1, 2, 3).repeat().take(6).forEach { i -> println(i) }
}

lynas

class MyFragment: Fragment(){
    override fun onCreateView(inflater: LayoutInflater?, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        return UI {
            linearLayout{
                editText()
                button("OK")
            }
        }.view
    }
}