1. apply

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/**
 * Calls the specified function [block] with `this` value as its receiver and returns `this` value.
 */
@kotlin.internal.InlineOnly
public inline fun <T> T.apply(block: T.() -> Unit): T { block(); return this }
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AddEditTaskFragment.newInstance().apply {
             arguments = Bundle().apply {
                 putString(AddEditTaskFragment.ARGUMENT_EDIT_TASK_ID,
                         intent.getStringExtra(AddEditTaskFragment.ARGUMENT_EDIT_TASK_ID))
             }
         }

2. with

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/**
 * Calls the specified function [block] with the given [receiver] as its receiver and returns its result.
 */
@kotlin.internal.InlineOnly
public inline fun <T, R> with(receiver: T, block: T.() -> R): R = receiver.block()
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with(items) {
                clear()
                addAll(tasksToShow)
                empty.set(isEmpty())
            }

3. let

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/**
 * Calls the specified function [block] with `this` value as its argument and returns its result.
 */
@kotlin.internal.InlineOnly
public inline fun <T, R> T.let(block: (T) -> R): R = block(this)
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taskId?.let {
          tasksRepository.getTask(it, this)
      }

4. also （V1.1）

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/**
 * Calls the specified function [block] with `this` value as its argument and returns `this` value.
 */
@kotlin.internal.InlineOnly
@SinceKotlin("1.1")
public inline fun <T> T.also(block: (T) -> Unit): T { block(this); return this }
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supportFragmentManager.findFragmentById(R.id.contentFrame) ?:
                 StatisticsFragment.newInstance().also {
                     replaceFragmentInActivity(it, R.id.contentFrame)
                 }

5. run

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/**
 * Calls the specified function [block] and returns its result.
 */
@kotlin.internal.InlineOnly
public inline fun <R> run(block: () -> R): R = block()
/**
 * Calls the specified function [block] with `this` value as its receiver and returns its result.
 */
@kotlin.internal.InlineOnly
public inline fun <T, R> T.run(block: T.() -> R): R = block()
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activity.findViewById<FloatingActionButton>(R.id.fab_add_task).run {
          setImageResource(R.drawable.ic_add)
          setOnClickListener {
              viewDataBinding.viewmodel?.addNewTask()
          }
      }

6. repeat

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/**
 * Executes the given function [action] specified number of [times].
 *
 * A zero-based index of current iteration is passed as a parameter to [action].
 */
@kotlin.internal.InlineOnly
public inline fun repeat(times: Int, action: (Int) -> Unit) {
    for (index in 0..times - 1) {
        action(index)
    }
}

7. takeIf （V1.1）

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/**
 * Executes the given function [action] specified number of [times].
 *
 * A zero-based index of current iteration is passed as a parameter to [action].
 */
@kotlin.internal.InlineOnly
public inline fun repeat(times: Int, action: (Int) -> Unit) {
    for (index in 0..times - 1) {
        action(index)
    }
}

8. takeUnless （V1.1）

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/**
 * Returns `this` value if it _does not_ satisfy the given [predicate] or `null`, if it does.
 */
@kotlin.internal.InlineOnly
@SinceKotlin("1.1")
public inline fun <T> T.takeUnless(predicate: (T) -> Boolean): T? = if (!predicate(this)) this else null