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| -rw-r--r-- | guides/source/active_support_core_extensions.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/guides/source/active_support_core_extensions.md b/guides/source/active_support_core_extensions.md index b3078ed701..c9faa3195e 100644 --- a/guides/source/active_support_core_extensions.md +++ b/guides/source/active_support_core_extensions.md @@ -2001,7 +2001,7 @@ Addition only assumes the elements respond to `+`: ```ruby [[1, 2], [2, 3], [3, 4]].sum # => [1, 2, 2, 3, 3, 4] %w(foo bar baz).sum # => "foobarbaz" -{a: 1, b: 2, c: 3}.sum # => [:b, 2, :c, 3, :a, 1] +{a: 1, b: 2, c: 3}.sum # => [:a, 1, :b, 2, :c, 3] ``` The sum of an empty collection is zero by default, but this is customizable: |