From ef2eabe7028384c5e5b6fa18877805686793a0be Mon Sep 17 00:00:00 2001
From: Brian Norman <brian@bnorm.com>
Date: Sat, 24 Apr 2021 12:50:06 -0500
Subject: [PATCH] Better error message for single parameter functions

---
 .../com/bnorm/power/PowerAssertCallTransformer.kt  | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/kotlin-power-assert-plugin/src/main/kotlin/com/bnorm/power/PowerAssertCallTransformer.kt b/kotlin-power-assert-plugin/src/main/kotlin/com/bnorm/power/PowerAssertCallTransformer.kt
index 28153473382..a7ea4f0b9ca 100644
--- a/kotlin-power-assert-plugin/src/main/kotlin/com/bnorm/power/PowerAssertCallTransformer.kt
+++ b/kotlin-power-assert-plugin/src/main/kotlin/com/bnorm/power/PowerAssertCallTransformer.kt
@@ -83,16 +83,16 @@ class PowerAssertCallTransformer(
     val delegate = delegates.maxByOrNull { it.function.valueParameters.size }
     if (delegate == null) {
       val valueTypesTruncated = function.valueParameters.subList(0, function.valueParameters.size - 1)
-        .joinToString(", ") { it.type.asString() }
-      val valueTypesAll = function.valueParameters.joinToString(", ") { it.type.asString() }
+        .joinToString("") { it.type.asString() + ", " }
+      val valueTypesAll = function.valueParameters.joinToString("") { it.type.asString() + ", " }
       messageCollector.warn(
         expression = expression,
         message = """
-          |Unable to find overload of function $fqName for power-assert transformation:
-          | - $fqName($valueTypesTruncated, String)
-          | - $fqName($valueTypesTruncated, () -> String)
-          | - $fqName($valueTypesAll, String)
-          | - $fqName($valueTypesAll, () -> String)
+          |Unable to find overload of function $fqName for power-assert transformation callable as:
+          | - $fqName(${valueTypesTruncated}String)
+          | - $fqName($valueTypesTruncated() -> String)
+          | - $fqName(${valueTypesAll}String)
+          | - $fqName($valueTypesAll() -> String)
         """.trimMargin()
       )
       return super.visitCall(expression)