Code cleanup: several inspections applied

plugins/annotation-processing/src/org/jetbrains/kotlin/annotation/processing/AnnotationProcessingExtension.kt

@@ -260,7 +260,7 @@ abstract class AbstractAnnotationProcessingExtension(
                 log { "Saving incremental data: ${analyzedClasses.size} class names" }
                 try {
                     incrementalDataFile.parentFile.mkdirs()
-                    incrementalDataFile.writeText(analyzedClasses.map { "i $it" }.joinToString(LINE_SEPARATOR))
+                    incrementalDataFile.writeText(analyzedClasses.joinToString(LINE_SEPARATOR) { "i $it" })
                 }
                 catch (e: IOException) {
                     log { "Unable to write $incrementalDataFile" }

plugins/java-model-wrappers/src/org/jetbrains/kotlin/java/model/elements/DefaultJeElementRenderer.kt

@@ -71,7 +71,7 @@ class DefaultJeElementRenderer : JeElementRenderer {
         return if (modifiers.isEmpty())
             renderedAnnotations
         else
-            renderedAnnotations + modifiers.map { it.name.toLowerCase() }.joinToString(" ", postfix = " ")
+            renderedAnnotations + modifiers.joinToString(" ", postfix = " ") { it.name.toLowerCase() }
     }
     
     private fun renderAnnotations(element: Element): String {
@@ -111,7 +111,7 @@ class DefaultJeElementRenderer : JeElementRenderer {
         }
     }
     
-    private fun String.withMargin() = lines().map { MARGIN + it }.joinToString(LINE_SEPARATOR)
+    private fun String.withMargin() = lines().joinToString(LINE_SEPARATOR) { MARGIN + it }
     
     private companion object {
         val MARGIN = "    "