danherrera

sealed class QuaternaryCase<T> {
    data class Both<T>(val a: T, val b: T) : QuaternaryCase<T>()
    data class OnlyA<T>(val a: T) : QuaternaryCase<T>()
    data class OnlyB<T>(val b: T) : QuaternaryCase<T>()
    class None<T> : QuaternaryCase<T>()
}

fun <T, R> Option<T>.map2Case(b: Option<T>, f: (case: QuaternaryCase<T>) -> R): R {
    return Ior.fromOptions(this, b)
        .map { ior ->

danherrera

Adding the npm package dependency:

yarn add @material-ui/core

Usage in Javascript (ECMAScript):

import Button from 'material-ui/core/Button';
import PropTypes from 'prop-types';

danherrera

        // Within onViewCreated 
        fun updateViewBasedOnPin(pin: String) {
            binding.digit1.text = pin.getOrNull(0)?.toString()
            binding.digit2.text = pin.getOrNull(1)?.toString()
            binding.digit3.text = pin.getOrNull(2)?.toString()
            binding.digit4.text = pin.getOrNull(3)?.toString()
            binding.digit1Underline.setBackgroundColor(if (pin.isNotEmpty()) Color.YELLOW else Color.DKGRAY)
            binding.digit2Underline.setBackgroundColor(if (pin.length > 1) Color.YELLOW else Color.DKGRAY)
            binding.digit3Underline.setBackgroundColor(if (pin.length > 2) Color.YELLOW else Color.DKGRAY)
            binding.digit4Underline.setBackgroundColor(if (pin.length > 3) Color.YELLOW else Color.DKGRAY)

danherrera

Keybase proof

I hereby claim:

• I am danherrera on github.
• I am danherrera (https://keybase.io/danherrera) on keybase.
• I have a public key ASCXdlSUJqcKoITjr1Sabpl6s2M_0Dh5STSx4HUBXY5Pugo

To claim this, I am signing this object:

danherrera

typealias StringResource = Either<String, AndroidStringResource>

data class AndroidStringResource(
    val id: Int,
    val args: List<String> = emptyList()
)

fun Fragment.getString(resource: StringResource): String {
    return when (resource) {
        is Left -> resource.a

danherrera

open class Event<out T>(private val content: T) {
    var consumed = false
        private set

    fun consume(): T? {
        return if (consumed) {
            null
        } else {
            consumed = true
            content

danherrera

Video Player*

  Play Video*
    preroll -> Ad
    no ad -> First Frame

  First Frame
    continue -> Video Playing