name.remal.arrays.kt Maven / Gradle / Ivy

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package name.remal

import java.util.Arrays
import java.util.SortedMap
import java.util.stream.Stream

fun  Array.stream(): Stream = Arrays.stream(this)


fun  Array.toMutableMap(keyExtractor: (value: V) -> K): MutableMap = mutableMapOf().also {
    for (value in this) {
        val key = keyExtractor(value)
        it[key] = value
    }
}

fun  Array.toMap(keyExtractor: (value: V) -> K): Map = toMutableMap(keyExtractor).toMap()

fun  Array.toHashMap(keyExtractor: (value: V) -> K): MutableMap = hashMapOf().also {
    for (value in this) {
        val key = keyExtractor(value)
        it[key] = value
    }
}

fun > Array.toSortedMap(keyExtractor: (value: V) -> K): SortedMap = sortedMapOf().also {
    for (value in this) {
        val key = keyExtractor(value)
        it[key] = value
    }
}