引数の長さチェックはここでやる必要がなかったため修正

Author: k163377

src/main/kotlin/com/mapk/kmapper/KMapper.kt

@@ -39,10 +39,6 @@ class KMapper<T : Any> private constructor(
                     ParameterForMap.newInstance(it)
         }
 
-    init {
-        if (parameterMap.isEmpty()) throw IllegalArgumentException("This function is not require arguments.")
-    }
-
     private fun throwExceptionOnNotInitialized(argumentBucket: ArgumentBucket): Nothing {
         val notInitializedIndexes = argumentBucket.notInitializedParameterIndexes
         function.parameters