Kotlin Sort Object List with Kotlin Selector function - crossinline selector: (T) -> R?

Kotlin Sort Object List with Kotlin Selector function - crossinline selector: (T) -> R?

In the tutorial, JavaSampleApproach will show you how to Sort Kotlin Object List with Kotlin Selector function – crossinline selector: (T) -> R? Related posts: – Sort List of Objects with Kotlin Comparator Example – Sort List of Objects with Kotlin Comparable – Kotlin Binary Search for Object List with Comparison function – comparison: (T) … Continue reading "Kotlin Sort Object List with Kotlin Selector function – crossinline selector: (T) -> R?"

https://grokonez.com/kotlin/kotlin-sort-object-list-kotlin-selector-function-crossinline-selector-t-r

Kotlin Sort Object List with Kotlin Selector function – crossinline selector: (T) -> R?

In the tutorial, JavaSampleApproach will show you how to Sort Kotlin Object List with Kotlin Selector function - crossinline selector: (T) -> R?

Related posts:

I. Technologies

– Java 1.8 – Kotlin 1.1.61

II. Kotlin Sort Object List with Selector

We have sortedBy(crossinline selector: (T) -> R?) for ascending sorted list, and sortedByDescending(crossinline selector: (T) -> R?) for descending sorted list.
  • Method signature of sortedBy(crossinline selector: (T) -> R?)

public inline fun > Iterable.sortedBy(crossinline selector: (T) -> R?): List
  • Method signature of sortedByDescending(crossinline selector: (T) -> R?)

public inline fun > Iterable.sortedByDescending(crossinline selector: (T) -> R?): List

So We need define an appropriate selector function for them.

-> Step to do:

  • Create data model
  • Create selector function
  • Do Sorting

More at:

https://grokonez.com/kotlin/kotlin-sort-object-list-kotlin-selector-function-crossinline-selector-t-r

Kotlin Sort Object List with Kotlin Selector function – crossinline selector: (T) -> R?

kotlin crossinline sort

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