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ToLongFunction
@FunctionalInterface interface ToLongFunction<T : Any!>
Represents a function that produces a long-valued result. This is the long-producing primitive specialization for Function.
This is a functional interface whose functional method is applyAsLong(java.lang.Object).
Summary
| Public methods |
| abstract Long |
Applies this function to the given argument.
|
Public methods
applyAsLong
abstract fun applyAsLong(value: T): Long
Applies this function to the given argument.
| Parameters |
value |
T: the function argument |
| Return |
Long |
the function result |
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Last updated 2025-02-10 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-10 UTC."],[],[],null,["# ToLongFunction\n\nAdded in [API level 24](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)\n\nToLongFunction\n==============\n\n```\n@FunctionalInterface interface ToLongFunction\u003cT : Any!\u003e\n```\n\n|----------------------------------------|\n| [java.util.function.ToLongFunction](#) |\n\nRepresents a function that produces a long-valued result. This is the `long`-producing primitive specialization for [Function](/reference/kotlin/java/util/function/Function).\n\nThis is a [functional interface](/reference/kotlin/java/util/function/package-summary) whose functional method is [applyAsLong(java.lang.Object)](#applyAsLong(java.util.function.ToLongFunction.T)).\n\nSummary\n-------\n\n| Public methods ||\n|---------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------|\n| abstract [Long](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-long/index.html) | [applyAsLong](#applyAsLong(java.util.function.ToLongFunction.T))`(`value:` `T`)` Applies this function to the given argument. |\n\nPublic methods\n--------------\n\n### applyAsLong\n\nAdded in [API level 24](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nabstract fun applyAsLong(value: T): Long\n```\n\nApplies this function to the given argument.\n\n| Parameters ||\n|---------|--------------------------|\n| `value` | T: the function argument |\n\n| Return ||\n|------------------------------------------------------------------------------|---------------------|\n| [Long](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-long/index.html) | the function result |"]]
