diff options
| -rw-r--r-- | src/util.py | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/util.py b/src/util.py index d42515b..ef7cd52 100644 --- a/src/util.py +++ b/src/util.py @@ -95,10 +95,10 @@ def reduce(f, items): @param f:(¿E?, ¿E?)→¿E? The function @param item:itr<¿E?> The input - @return ¿E? The output + @return ¿E?? The output, `None` if `item` is empty ''' - if len(items) < 2: - return [] if len(items) == 0 else items[0] + if len(items) == 0: + return None rc = items[0] for i in range(1, len(items)): rc = f(rc, items[i]) |