collection.toMap(selector)

libraries/stdlib/src/generated/_Snapshots.kt

@@ -507,6 +507,138 @@ public fun String.toList(): List<Char> {
     return toCollection(ArrayList<Char>())
 }
 
+/**
+ * Returns Map containing all the values from the given collection indexed by *selector*
+ */
+public inline fun <T, K> Array<out T>.toMap(selector: (T) -> K): Map<K, T> {
+    val result = HashMap<K, T>()
+    for (element in this) {
+        result.put(selector(element), element)
+    }
+    return result
+}
+
+/**
+ * Returns Map containing all the values from the given collection indexed by *selector*
+ */
+public inline fun <K> BooleanArray.toMap(selector: (Boolean) -> K): Map<K, Boolean> {
+    val result = HashMap<K, Boolean>()
+    for (element in this) {
+        result.put(selector(element), element)
+    }
+    return result
+}
+
+/**
+ * Returns Map containing all the values from the given collection indexed by *selector*
+ */
+public inline fun <K> ByteArray.toMap(selector: (Byte) -> K): Map<K, Byte> {
+    val result = HashMap<K, Byte>()
+    for (element in this) {
+        result.put(selector(element), element)
+    }
+    return result
+}
+
+/**
+ * Returns Map containing all the values from the given collection indexed by *selector*
+ */
+public inline fun <K> CharArray.toMap(selector: (Char) -> K): Map<K, Char> {
+    val result = HashMap<K, Char>()
+    for (element in this) {
+        result.put(selector(element), element)
+    }
+    return result
+}
+
+/**
+ * Returns Map containing all the values from the given collection indexed by *selector*
+ */
+public inline fun <K> DoubleArray.toMap(selector: (Double) -> K): Map<K, Double> {
+    val result = HashMap<K, Double>()
+    for (element in this) {
+        result.put(selector(element), element)
+    }
+    return result
+}
+
+/**
+ * Returns Map containing all the values from the given collection indexed by *selector*
+ */
+public inline fun <K> FloatArray.toMap(selector: (Float) -> K): Map<K, Float> {
+    val result = HashMap<K, Float>()
+    for (element in this) {
+        result.put(selector(element), element)
+    }
+    return result
+}
+
+/**
+ * Returns Map containing all the values from the given collection indexed by *selector*
+ */
+public inline fun <K> IntArray.toMap(selector: (Int) -> K): Map<K, Int> {
+    val result = HashMap<K, Int>()
+    for (element in this) {
+        result.put(selector(element), element)
+    }
+    return result
+}
+
+/**
+ * Returns Map containing all the values from the given collection indexed by *selector*
+ */
+public inline fun <K> LongArray.toMap(selector: (Long) -> K): Map<K, Long> {
+    val result = HashMap<K, Long>()
+    for (element in this) {
+        result.put(selector(element), element)
+    }
+    return result
+}
+
+/**
+ * Returns Map containing all the values from the given collection indexed by *selector*
+ */
+public inline fun <K> ShortArray.toMap(selector: (Short) -> K): Map<K, Short> {
+    val result = HashMap<K, Short>()
+    for (element in this) {
+        result.put(selector(element), element)
+    }
+    return result
+}
+
+/**
+ * Returns Map containing all the values from the given collection indexed by *selector*
+ */
+public inline fun <T, K> Iterable<T>.toMap(selector: (T) -> K): Map<K, T> {
+    val result = HashMap<K, T>()
+    for (element in this) {
+        result.put(selector(element), element)
+    }
+    return result
+}
+
+/**
+ * Returns Map containing all the values from the given collection indexed by *selector*
+ */
+public inline fun <T, K> Stream<T>.toMap(selector: (T) -> K): Map<K, T> {
+    val result = HashMap<K, T>()
+    for (element in this) {
+        result.put(selector(element), element)
+    }
+    return result
+}
+
+/**
+ * Returns Map containing all the values from the given collection indexed by *selector*
+ */
+public inline fun <K> String.toMap(selector: (Char) -> K): Map<K, Char> {
+    val result = HashMap<K, Char>()
+    for (element in this) {
+        result.put(selector(element), element)
+    }
+    return result
+}
+
 /**
  * Returns a Set of all elements
  */

libraries/tools/kotlin-stdlib-gen/src/templates/Snapshots.kt

@@ -106,5 +106,25 @@ fun snapshots(): List<GenericFunction> {
         body { "return toCollection(LinkedList<T>())" }
     }
 
+    templates add f("toMap(selector: (T) -> K)") {
+        inline(true)
+        typeParam("K")
+        doc {
+            """
+            Returns Map containing all the values from the given collection indexed by *selector*
+            """
+        }
+        returns("Map<K, T>")
+        body {
+            """
+            val result = HashMap<K, T>()
+            for (element in this) {
+                result.put(selector(element), element)
+            }
+            return result
+            """
+        }
+    }
+
     return templates
 }