From c2eaddc457b27f181725b9f8dfcd97aa9fdbc82d Mon Sep 17 00:00:00 2001
From: Amlal El Mahrouss <amlal@nekernel.org>
Date: Sat, 7 Mar 2026 11:25:38 +0100
Subject: [FEAT] Buffered and Unbuffered stream types.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
---
 doc/requirements/BufferedStream.md   | 19 +++++++++++++++++++
 doc/requirements/UnbufferedStream.md | 19 +++++++++++++++++++
 src/kernel/NeKit/Stream.h            | 10 +++++++++-
 3 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100644 doc/requirements/BufferedStream.md
 create mode 100644 doc/requirements/UnbufferedStream.md

diff --git a/doc/requirements/BufferedStream.md b/doc/requirements/BufferedStream.md
new file mode 100644
index 00000000..1ac01a0f
--- /dev/null
+++ b/doc/requirements/BufferedStream.md
@@ -0,0 +1,19 @@
+# BufferedStream
+
+## Abstract:
+
+One type that has to satisfy a BufferedStream operator and type.
+
+## Rationale:
+
+- HPC systems.
+- I/O systems.
+- HFT systems.
+
+## Example:
+
+```cpp
+BStream<BOperator, BType>;
+```
+
+BOperator must not flush at all times, but have the option to.
diff --git a/doc/requirements/UnbufferedStream.md b/doc/requirements/UnbufferedStream.md
new file mode 100644
index 00000000..80536b44
--- /dev/null
+++ b/doc/requirements/UnbufferedStream.md
@@ -0,0 +1,19 @@
+# BufferedStream
+
+## Abstract:
+
+One type that has to satisfy an unbuffered Stream operator and type.
+
+## Rationale:
+
+- Fast and direct-flush operations.
+- High-Throughput systems.
+
+## Example:
+
+```cpp
+UBStream<UBOperator, UBType>;
+```
+
+UBOperator must flush at all times!
+
diff --git a/src/kernel/NeKit/Stream.h b/src/kernel/NeKit/Stream.h
index d69df6d0..b24038c1 100644
--- a/src/kernel/NeKit/Stream.h
+++ b/src/kernel/NeKit/Stream.h
@@ -1,4 +1,4 @@
-// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
+// Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
 
@@ -9,6 +9,7 @@
 #include <NeKit/Ref.h>
 
 namespace Kernel {
+
 template <typename StreamTrait, typename Kind>
 class Stream final {
  public:
@@ -40,6 +41,13 @@ class Stream final {
   Ref<StreamTrait> fStream;
   Ref<Kind>        fKind;
 };
+
+template <class ST, class Kind>
+using UnbufferedStream = Stream<ST, Kind>;
+
+template <class BST, class BKind>
+using BufferedStream = Stream<BST, BKind>;
+
 }  // namespace Kernel
 
 #endif
-- 
cgit v1.2.3


From 6432b4b5ba5a9f09bf2efa337e91b596236f6a37 Mon Sep 17 00:00:00 2001
From: Amlal El Mahrouss <amlal@nekernel.org>
Date: Sat, 7 Mar 2026 11:27:49 +0100
Subject: [CHORE] Fix readme for UnbufferedStream.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
---
 doc/requirements/UnbufferedStream.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/requirements/UnbufferedStream.md b/doc/requirements/UnbufferedStream.md
index 80536b44..d3bfd8eb 100644
--- a/doc/requirements/UnbufferedStream.md
+++ b/doc/requirements/UnbufferedStream.md
@@ -1,4 +1,4 @@
-# BufferedStream
+# UnbufferedStream
 
 ## Abstract:
 
-- 
cgit v1.2.3


From c4a3fb87a459ed5afb3a0234d6d29a6c161348c7 Mon Sep 17 00:00:00 2001
From: Amlal El Mahrouss <amlal@nekernel.org>
Date: Sat, 7 Mar 2026 11:31:11 +0100
Subject: [CHORE] Assign Ks when calling Out.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
---
 src/kernel/NeKit/Stream.h | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/kernel/NeKit/Stream.h b/src/kernel/NeKit/Stream.h
index b24038c1..0fac23c1 100644
--- a/src/kernel/NeKit/Stream.h
+++ b/src/kernel/NeKit/Stream.h
@@ -5,6 +5,7 @@
 #ifndef NEKIT_STREAM_H
 #define NEKIT_STREAM_H
 
+#include <CompilerKit/CompilerKit.h>
 #include <NeKit/Config.h>
 #include <NeKit/Ref.h>
 
@@ -14,11 +15,9 @@ template <typename StreamTrait, typename Kind>
 class Stream final {
  public:
   explicit Stream(Ref<Stream> ref) : fStream(ref) {}
-
   ~Stream() = default;
 
-  Stream& operator=(const Stream&) = default;
-  Stream(const Stream&)            = default;
+  NE_COPY_DEFAULT(Stream)
 
   template <typename Data>
   friend Stream<StreamTrait, Kind>& operator>>(Stream<StreamTrait, Kind>& Ks, Ref<Data>& Buf) {
@@ -29,7 +28,7 @@ class Stream final {
   template <typename Data>
   friend Stream<StreamTrait, Kind>& operator<<(Stream<StreamTrait, Kind>& Ks, Ref<Data>& Buf) {
     Ks.fKind = Buf;
-    Ks.fStream->Out(Buf.Leak());
+    *Ks = Ks.fStream->Out(Buf.Leak());
     return *Ks;
   }
 
-- 
cgit v1.2.3


From 3edb3cb672aa5008225a40020bbc707730897cab Mon Sep 17 00:00:00 2001
From: Amlal El Mahrouss <amlal@nekernel.org>
Date: Sat, 7 Mar 2026 11:32:00 +0100
Subject: [FIX] Assign fKind after calling Out.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
---
 src/kernel/NeKit/Stream.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/kernel/NeKit/Stream.h b/src/kernel/NeKit/Stream.h
index 0fac23c1..ad458d5a 100644
--- a/src/kernel/NeKit/Stream.h
+++ b/src/kernel/NeKit/Stream.h
@@ -27,8 +27,8 @@ class Stream final {
 
   template <typename Data>
   friend Stream<StreamTrait, Kind>& operator<<(Stream<StreamTrait, Kind>& Ks, Ref<Data>& Buf) {
-    Ks.fKind = Buf;
     *Ks = Ks.fStream->Out(Buf.Leak());
+    Ks.fKind = Buf;
     return *Ks;
   }
 
-- 
cgit v1.2.3