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interface IProcessor<T,U> where T: unmanaged, IResult
{
    T ProcessSingle(int x);

    async IAsyncEnumerable<T> ProcessMany(int[] xs, int batch)
    {
        static T[] ProccessBatch(Func<int,T> func, Span<int> list, in Range range)
        {
            (_, int length) = range.GetOffsetAndLenght(list.length);
            using var batcher = new Batcher<T>(stackalloc T[length]);

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using System;

using Android.App;
using Android.Content.PM;
using Android.Runtime;
using Android.OS;
using AndroidX.Work;

namespace BackgroundWork.Droid
{

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using System;
using Android.Content;
using Android.Util;
using AndroidX.Work;
using Xamarin.Essentials;

namespace BackgroundWork.Droid
{
    public class LocalWorker : Worker
    {

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public static async Task SaveSessionAsync(string json)
        {
            try
            {
                File = Path.Combine(FileSystem.AppDataDirectory, "login.json");
                using (var file = new FileStream(File, FileMode.Create))
                using (var output = new StreamWriter(file, Encoding.UTF8))
                    await output.WriteAsync(json);
            }
            catch (System.Exception ex)

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using VisualTest.iOS;
using Xamarin.Forms;
using Xamarin.Forms.Platform.iOS;


[assembly: ExportRenderer(typeof(Xamarin.Forms.Picker), typeof(MyPicker), new[] { typeof(VisualTest.TestVisual) })]


namespace VisualTest.iOS
{

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using Android.Content;
using VisualTest.Droid;
using Xamarin.Forms;
using Xamarin.Forms.Platform.Android;

[assembly: ExportRenderer(typeof(Xamarin.Forms.Picker), typeof(MyPicker), new[] { typeof(VisualTest.TestVisual) })]

namespace VisualTest.Droid
{
    public class MyPicker : PickerRenderer

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<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             xmlns:local="clr-namespace:VisualTest"
             x:Class="VisualTest.MainPage"
             Visual="Material">
    
    <ContentPage.BindingContext>
        <local:MainViewModel/>
    </ContentPage.BindingContext>

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using Foundation;

namespace Cocos2D {
  [BaseType (typeof (NSObject))]
  interface Camera {
    [Static, Export ("getZEye")]
    nfloat ZEye { get; }

    [Export ("restore")]
    void Restore ();

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// JavaScript

var React = require('react-native');
var { NativeModules, Text } = React;

var Message = React.createClass({
  getInitialState() {
    return { text: 'Goodbye World.' };
  },
  componentDidMount() {

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// Objective-C

#import "RCTBridgeModule.h"

@interface MyCustomModule : NSObject <RCTBridgeModule>

@end

@implementation MyCustomModule