From 1376a23bda5e6fe94148cb57ca1447907c6bb21e Mon Sep 17 00:00:00 2001
From: tslil <tslil@posteo.de>
Date: Tue, 14 Oct 2025 20:48:03 +0100
Subject: Sketching the implementation of the monad and selections

---
 python/src/types/buffer.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 python/src/types/buffer.py

(limited to 'python/src/types/buffer.py')

diff --git a/python/src/types/buffer.py b/python/src/types/buffer.py
new file mode 100644
index 0000000..04e1def
--- /dev/null
+++ b/python/src/types/buffer.py
@@ -0,0 +1,16 @@
+from dataclasses import dataclass
+
+@dataclass
+class Buffer:
+    content: str
+
+    @property
+    def min_pos(self) -> int:
+        return 0
+
+    @property
+    def max_pos(self) -> int:
+        return len(self.content)
+
+    def valid_pos(self, pos : int) -> bool:
+        return self.min_pos <= pos < self.max_pos
-- 
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