From 8b2fef38127229b9e5da1293f234cfe431026de0 Mon Sep 17 00:00:00 2001
From: Toshiaki Kameyama <kmymtsak@gmail.com>
Date: Fri, 16 Nov 2018 15:45:24 +0300
Subject: [PATCH] Remove explicit type specification: don't propose for ext
 function type

#KT-8875 Fixed
---
 .../kotlin/idea/intentions/RemoveExplicitTypeIntention.kt    | 1 +
 .../intentions/removeExplicitType/extensionFunction.kt       | 4 ++++
 .../kotlin/idea/intentions/IntentionTestGenerated.java       | 5 +++++
 3 files changed, 10 insertions(+)
 create mode 100644 idea/testData/intentions/removeExplicitType/extensionFunction.kt

diff --git a/idea/src/org/jetbrains/kotlin/idea/intentions/RemoveExplicitTypeIntention.kt b/idea/src/org/jetbrains/kotlin/idea/intentions/RemoveExplicitTypeIntention.kt
index a60fb4d974a..f24f3247591 100644
--- a/idea/src/org/jetbrains/kotlin/idea/intentions/RemoveExplicitTypeIntention.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/intentions/RemoveExplicitTypeIntention.kt
@@ -77,6 +77,7 @@ class RemoveExplicitTypeIntention : SelfTargetingRangeIntention<KtCallableDeclar
             if (initializer == null) return true
             if (initializer !is KtLambdaExpression && initializer !is KtNamedFunction) return true
             val functionType = element.typeReference?.typeElement as? KtFunctionType ?: return true
+            if (functionType.receiver != null) return false
             if (functionType.parameters.isEmpty()) return true
             val valueParameters = when (initializer) {
                 is KtLambdaExpression -> initializer.valueParameters
diff --git a/idea/testData/intentions/removeExplicitType/extensionFunction.kt b/idea/testData/intentions/removeExplicitType/extensionFunction.kt
new file mode 100644
index 00000000000..4f117143914
--- /dev/null
+++ b/idea/testData/intentions/removeExplicitType/extensionFunction.kt
@@ -0,0 +1,4 @@
+// IS_APPLICABLE: false
+val foo: <caret>Int.() -> String = {
+    toString() + hashCode()
+}
\ No newline at end of file
diff --git a/idea/tests/org/jetbrains/kotlin/idea/intentions/IntentionTestGenerated.java b/idea/tests/org/jetbrains/kotlin/idea/intentions/IntentionTestGenerated.java
index e38c68de8e4..0a5a5df298a 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/intentions/IntentionTestGenerated.java
+++ b/idea/tests/org/jetbrains/kotlin/idea/intentions/IntentionTestGenerated.java
@@ -13316,6 +13316,11 @@ public class IntentionTestGenerated extends AbstractIntentionTest {
             runTest("idea/testData/intentions/removeExplicitType/anonymousFunctionInitializer3.kt");
         }
 
+        @TestMetadata("extensionFunction.kt")
+        public void testExtensionFunction() throws Exception {
+            runTest("idea/testData/intentions/removeExplicitType/extensionFunction.kt");
+        }
+
         @TestMetadata("funNoBody.kt")
         public void testFunNoBody() throws Exception {
             runTest("idea/testData/intentions/removeExplicitType/funNoBody.kt");