clean up

src/main/kotlin/blitz/func/Utils.kt

@@ -0,0 +1,10 @@
+package blitz.func
+
+import blitz.ByteBatchSequence
+import blitz.stringify
+
+fun <T> Monad<Sequence<Sequence<T>>>.flatten(): Monad<Sequence<T>> =
+    bind { it.flatten() }
+
+fun Monad<ByteBatchSequence>.stringify(batch: Int = 64): Monad<Sequence<String>> =
+    bind { it.stringify(batch) }