dtrailin

#!/usr/bin/python
# -*- coding:utf-8 -*-
import sys
import os
picdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'pic')
libdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'lib')
if os.path.exists(libdir):
    sys.path.append(libdir)

import logging

dtrailin

import csv
import os
import subprocess
import time
from io import StringIO
from typing import List, Dict

from datadog import initialize, statsd
from kubernetes import client, config

dtrailin

tailrec fun fib(count: Long, seq: List<Int> = listOf(1,1)): List<Int> =
       if (seq.size >= count) seq else fib(count, seq + (seq.last() + seq[seq.lastIndex - 1]))

dtrailin

class Person(val name: String, val city: String)

dtrailin

class ComposedObject(textDelegate: EditTextDelegate){
  var text: String? by textDelegate
}

dtrailin

class EditTextDelegate {
    // represents some editable text view
    var editText: EditText = EditText();

    operator fun getValue(thisRef: Any?, property: KProperty<*>): String? {
        return editText.text
    }
    
    operator fun setValue(thisRef: Any?, property: KProperty<*>, value: String?) {
        editText.text = value

dtrailin

var isChecked: Boolean by object {
   operator fun getValue(thisRef: Any?, property: KProperty<*>): Boolean {
       return checkbox.checked
   }

   operator fun setValue(thisRef: Any?, property: KProperty<*>, value: Boolean) {
       checkbox.checked = value
   }
}

dtrailin

(1..100000).map { it * it }.find { it.toString().contains(Regex(".*123.*")) }

dtrailin

listOf("This", "is","a", "sentence").reduce { accumulator, s -> accumulator +" " + s }

dtrailin

val listener: (View) -> Unit = { println(“clicked!”) }
some_view.setOnClickListener (listener)

// Or you can use closures 

some_view.setOnClickListener {doSomething()}