Andrey Breslav
27 lines
890 B
Kotlin
27 lines
890 B
Kotlin
package kotlin.util
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import java.util.*
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import java.util.Iterator
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/** Add iterated elements to given container */
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fun <T,U: Collection<in T>> java.util.Iterator<T>.to(container: U) : U {
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while(hasNext())
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container.add(next())
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return container
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}
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/** Add iterated elements to java.util.ArrayList */
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inline fun <T> java.util.Iterator<T>.toArrayList() = to(ArrayList<T>())
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/** Add iterated elements to java.util.LinkedList */
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inline fun <T> java.util.Iterator<T>.toLinkedList() = to(LinkedList<T>())
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/** Add iterated elements to java.util.HashSet */
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inline fun <T> java.util.Iterator<T>.toHashSet() = to(HashSet<T>())
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/** Add iterated elements to java.util.LinkedHashSet */
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inline fun <T> java.util.Iterator<T>.toLinkedHashSet() = to(LinkedHashSet<T>())
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/** Add iterated elements to java.util.TreeSet */
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inline fun <T> java.util.Iterator<T>.toTreeSet() = to(TreeSet<T>())
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