From cdf72adffc59a8b56929d7dc5709cad421ba6400 Mon Sep 17 00:00:00 2001 From: soartec-lab Date: Thu, 7 Mar 2019 22:17:00 +0900 Subject: Corrected execution result of Enumerable#sum [ci skip] --- guides/source/active_support_core_extensions.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'guides') 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: -- cgit v1.2.3