update Unique docs

tandav · Nov 12, 2023 · 40039db · 40039db
1 parent cfe0b72
commit 40039db
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diff --git a/docs/reference.md b/docs/reference.md
@@ -586,6 +586,9 @@ namespace()
 >>> ['a', 'cd', 'cd', 'e', 'fgh'] | Unique(len) | Pipe(list)
 ['a', 'cd', 'fgh']
 
+>>> [{'a': 1}, {'a': 2}, {'a': 1}] | Unique(operator.itemgetter('a')) | Pipe(list)
+[{'a': 1}, {'a': 2}]
+
 ```
 
 ## Exec

diff --git a/tests/pipe_test.py b/tests/pipe_test.py
@@ -426,6 +426,7 @@ def test_methodcaller():
         (range(10), lambda x: x % 3, [0, 1, 2]),
         (['a', 'cd', 'cd', 'e', 'fgh'], None, ['a', 'cd', 'e', 'fgh']),
         (['a', 'cd', 'cd', 'e', 'fgh'], len, ['a', 'cd', 'fgh']),
+        ([{'a': 1}, {'a': 2}, {'a': 1}], operator.itemgetter('a'), [{'a': 1}, {'a': 2}]),
     ],
 )
 def test_unique(seq, key, expected):