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val data1 = Klaxon().parse<String>(File(pathname).toString())
// This just tried to parse the filename.

val data2 = Klaxon().parse<File>(StringReader(File(pathname).toString())
// What's a Reader? I think that's what I need.

val data3 = Klaxon().parse<String>(File(pathname).readText())
// Oh, there's a readText(). Why didn't this work? It seems it's the wrong parse call evenough the types match.

val data4 = Klaxon().parseJsonObject(StringReader(File(pathname).readText()))

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val parsed = klx.parseJsonObject(StringReader(f))
val timeSeries = parsed.filter {
    it.key == dataKey
}.map {
    it.value as JsonObject
}

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timeSeries.first().values.forEach {
    val day = klx.parseFromJsonObject<Daily>(it as JsonObject)
}

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data class Daily
(
    @Json(name = "1. open")
    val open: String,
    @Json(name = "2. high")
    val high: String,
    @Json(name = "3. low")
    val low: String,
    @Json(name = "4. close")
    val close: String,

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@Test fun testParseDaily1()
{
    val cnt = 0
    val dataKey = "Time Series (Daily)"
    val klx = Klaxon()
    val f = File(pathname).readText()
    val parsed = klx.parseJsonObject(StringReader(f))
    val timeSeries = parsed.filter {
        it.key == dataKey
    }.map {

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fun waitForCount() = runBlocking {
    val count = async {
        parseDaily()
    }
    count.await()
}

suspend fun parseDaily(): Int
{
    val dataKey = "Time Series (Daily)"

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@Test fun testParseDaily2()
{
    val expected = 13
    val klx = Klaxon()
    val dataKey = "Time Series (Daily)"
    val days = klx.parseJsonObject(StringReader(File(pathname).readText()))
        .filter { it.key == dataKey }
        .map { it.value as JsonObject }.first().values
        .map { klx.parseFromJsonObject<Daily>(it as JsonObject)?.close }
    assertEquals(days.size, expected, "Bad count of " + days.size + ", expected " + expected + ".")

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/* 
 * SPDX-FileCopyrightText: © 2023 Daniel Zhang <https://github.com/d108/>
 * SPDX-License-Identifier: MIT License
 */

import Foundation

struct DataDecoder
{
    /// Generic decoder with a switch statement to handle specific types.