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ch8n/linked_hashmap_kotlin.kt

Created October 12, 2020 12:36
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map resolved by linked hashmap
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linked_hashmap_kotlin.kt
fun <K, V> mapOf(vararg pairs: Pair<K, V>): Map<K, V>
= if (pairs.size > 0){
pairs.toMap(LinkedHashMap(mapCapacity(pairs.size)))
}else{
emptyMap()
}
// Linked HashMap signature
class LinkedHashMap<K, V> : MutableMap<K, V>
// since MutableMap<K, V> has Map as parent class
// Casting it to map make it immutable* (read-only)
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