Add drop_none

emis_funky_funktions.py

@@ -589,6 +589,15 @@ def unwrap_opt(r: Option[A]) -> A:
 		case None:
 			raise AssertionError('Tried to unwrap a None value')
 
+def drop_none(l: Iterable[Option[A]]) -> Sequence[A]:
+    """
+    Drop every instance of `None` from a list, unwraping the rest
+
+    >>> drop_none([Some(1), None, Some(2), None, Some(3)])
+    [1, 2, 3]
+    """
+    return [o.val for o in l if o is not None]
+
 # Results!
 @dataclass(frozen=True)
 class Ok(Generic[A, B]):