fix: added typing

1 files changed, 19 insertions, 0 deletions

diff --git a/OptionalUtils.py b/OptionalUtils.py
new file mode 100644
index 0000000..51828bb
--- /dev/null
+++ b/OptionalUtils.py
@@ -0,0 +1,19 @@
+
+from typing import Optional, TypeVar, Callable
+
+
+
+T = TypeVar('T')
+def exists(opt: Optional[T], cond: Callable[[T], bool]) -> bool:
+    match opt:
+        case None:
+            return False
+        case _:
+            return cond(opt)
+
+def foreach(opt: Optional[T], call: Callable[[T], None]) -> None:
+    match opt:
+        case None:
+            return None
+        case _:
+            return call(opt)