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• ExtensionsForNullable.kt

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ru.hnau.jutils.ExtensionsForNullable.kt Maven / Gradle / Ivy

package ru.hnau.jutils




inline fun  T?.handle(ifNotNull: (T) -> R, ifNull: () -> R) =
        if (this == null) ifNull.invoke() else ifNotNull.invoke(this)

fun  T?.handle(forNotNull: R, forNull: R) =
        if (this == null) forNull else forNotNull

inline fun  T?.ifNotNull(action: (T) -> R) = this?.let(action)

inline fun  T?.ifNull(action: () -> R) = if (this == null) action.invoke() else null

fun  ((Unit) -> T).invoke() = invoke(Unit)