From 64dec10bd589bb346d47e3b9fbbc964083cd82d8 Mon Sep 17 00:00:00 2001
From: "Vitaliy.Bibaev" <vitaliy.bibaev@jetbrains.com>
Date: Fri, 22 Dec 2017 12:45:11 +0300
Subject: [PATCH] Avoid redundant allocation on each collection chain
 transformation

---
 .../kotlin/psi/collections/CollectionChainTransformer.kt       | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/idea/idea-jvm/src/com/intellij/debugger/streams/kotlin/psi/collections/CollectionChainTransformer.kt b/idea/idea-jvm/src/com/intellij/debugger/streams/kotlin/psi/collections/CollectionChainTransformer.kt
index 9f6a124eb68..7e5b8a6c4b3 100644
--- a/idea/idea-jvm/src/com/intellij/debugger/streams/kotlin/psi/collections/CollectionChainTransformer.kt
+++ b/idea/idea-jvm/src/com/intellij/debugger/streams/kotlin/psi/collections/CollectionChainTransformer.kt
@@ -16,8 +16,9 @@ import org.jetbrains.kotlin.types.KotlinType
  * @author Vitaliy.Bibaev
  */
 class CollectionChainTransformer : ChainTransformer<KtCallExpression> {
+  private val transformer = KotlinChainTransformerImpl(KotlinCollectionsTypeExtractor())
+
   override fun transform(chainCalls: List<KtCallExpression>, context: PsiElement): StreamChain {
-    val transformer = KotlinChainTransformerImpl(KotlinCollectionsTypeExtractor())
     val chain = transformer.transform(chainCalls, context)
 
     if (chainCalls.first().resolveType().isArray) {