Allow functions with a single argument of any type

sample/build.gradle.kts

@@ -62,6 +62,7 @@ configure<com.bnorm.power.PowerAssertGradleExtension> {
     "kotlin.test.assertTrue",
     "kotlin.require",
     "com.bnorm.power.AssertScope.assert",
-    "com.bnorm.power.assert"
+    "com.bnorm.power.assert",
+    "com.bnorm.power.dbg"
   )
 }

sample/src/commonMain/kotlin/com/bnorm/power/Debug.kt

@@ -0,0 +1,10 @@
+package com.bnorm.power
+
+val debugLog = StringBuilder()
+
+fun <T> dbg(value: T): T = value
+
+fun <T> dbg(value: T, msg: String): T {
+  debugLog.appendLine(msg)
+  return value
+}

sample/src/commonTest/kotlin/com/bnorm/power/PowerAssertTest.kt

@@ -16,6 +16,7 @@
 
 package com.bnorm.power
 
+import kotlin.test.AfterTest
 import kotlin.test.Test
 import kotlin.test.assertEquals
 import kotlin.test.assertFailsWith
@@ -23,6 +24,11 @@ import kotlin.test.assertTrue
 
 class PowerAssertTest {
 
+  @AfterTest
+  fun cleanup() {
+    debugLog.clear()
+  }
+
   @Test
   fun assertTrue() {
     val error = assertFailsWith<AssertionError> { assertTrue(Person.UNKNOWN.size == 1) }
@@ -111,4 +117,35 @@ class PowerAssertTest {
       """.trimIndent(),
     )
   }
+
+  @Test
+  fun dbgTest() {
+    val name = "Jane"
+    val greeting = dbg("Hello, $name")
+    assert(greeting == "Hello, Jane")
+    assertEquals(
+      actual = debugLog.toString().trim(),
+      expected = """
+        dbg("Hello, ${"$"}name")
+            |        |
+            |        Jane
+            Hello, Jane
+      """.trimIndent())
+  }
+
+  @Test
+  fun dbgMessageTest() {
+    val name = "Jane"
+    val greeting = dbg("Hello, $name", "Greeting:")
+    assert(greeting == "Hello, Jane")
+    assertEquals(
+      actual = debugLog.toString().trim(),
+      expected = """
+        Greeting:
+        dbg("Hello, ${"$"}name", "Greeting:")
+            |        |
+            |        Jane
+            Hello, Jane
+      """.trimIndent())
+  }
 }