From b5145f1a87c2835e0bb3c2b1284f611b3d532d97 Mon Sep 17 00:00:00 2001
From: James Strachan <james.strachan@gmail.com>
Date: Wed, 26 Sep 2012 09:04:08 +0100
Subject: [PATCH] allow mapValues() to be used on a Map not just a MutableMap

---
 libraries/stdlib/src/kotlin/Maps.kt    | 6 +++---
 libraries/stdlib/src/kotlin/MapsJVM.kt | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/libraries/stdlib/src/kotlin/Maps.kt b/libraries/stdlib/src/kotlin/Maps.kt
index 3632653de1b..4e32aa9524c 100644
--- a/libraries/stdlib/src/kotlin/Maps.kt
+++ b/libraries/stdlib/src/kotlin/Maps.kt
@@ -93,7 +93,7 @@ public inline fun <K,V,R, C: MutableCollection<in R>> Map<K,V>.mapTo(result: C,
 /**
  * Populates the given *result* [[Map]] with the value returned by applying the *transform* function on each [[Map.Entry]] in this [[Map]]
  */
-public inline fun <K,V,R,C: MutableMap<K,R>> MutableMap<K,V>.mapValuesTo(result: C, transform : (Map.Entry<K,V>) -> R) : C {
+public inline fun <K,V,R,C: MutableMap<K,R>> Map<K,V>.mapValuesTo(result: C, transform : (Map.Entry<K,V>) -> R) : C {
   for (e in this) {
       val newValue = transform(e)
       result.put(e.key, newValue)
@@ -102,7 +102,7 @@ public inline fun <K,V,R,C: MutableMap<K,R>> MutableMap<K,V>.mapValuesTo(result:
 }
 
 /**
- * Puts all the entries into the map with the first value in the tuple being the key and the second the value
+ * Puts all the entries into this [[MutableMap]] with the first value in the pair being the key and the second the value
  */
 public inline fun <K,V> MutableMap<K,V>.putAll(vararg values: Pair<K, V>): Unit {
     for (v in values) {
@@ -111,7 +111,7 @@ public inline fun <K,V> MutableMap<K,V>.putAll(vararg values: Pair<K, V>): Unit
 }
 
 /**
- * Copies the entries in this [[Map]] to the given *map*
+ * Copies the entries in this [[Map]] to the given mutable *map*
  */
 public inline fun <K,V> Map<K,V>.toMap(map: MutableMap<K,V>): Map<K,V> {
     map.putAll(this)
diff --git a/libraries/stdlib/src/kotlin/MapsJVM.kt b/libraries/stdlib/src/kotlin/MapsJVM.kt
index be615a9c814..9bd11df7220 100644
--- a/libraries/stdlib/src/kotlin/MapsJVM.kt
+++ b/libraries/stdlib/src/kotlin/MapsJVM.kt
@@ -57,7 +57,7 @@ public inline fun <K,V,R> Map<K,V>.map(transform: (Map.Entry<K,V>) -> R) : List<
  *
  * @includeFunctionBody ../../test/MapTest.kt mapValues
  */
-public inline fun <K,V,R> MutableMap<K,V>.mapValues(transform : (Map.Entry<K,V>) -> R): Map<K,R> {
+public inline fun <K,V,R> Map<K,V>.mapValues(transform : (Map.Entry<K,V>) -> R): Map<K,R> {
     return mapValuesTo(java.util.HashMap<K,R>(this.size), transform)
 }