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Fix example of index_with

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- Clarify executor of `public_send`.
- Do not wrap `Interval.all_day` into [] since
  an array is expected as a returned value.

Related to #32523.

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bogdanvlviv 2018-06-07 21:39:08 +03:00
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guides/source/active_support_core_extensions.md
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@ -2045,10 +2045,10 @@ The method `index_with` generates a hash with the elements of an enumerable as k
is either a passed default or returned in a block. is either a passed default or returned in a block.
```ruby ```ruby
%i( title body created_at ).index_with { |attr_name| public_send(attr_name) } %i( title body created_at ).index_with { |attr_name| post.public_send(attr_name) }
# => { title: "hey", body: "what's up?", … } # => { title: "hey", body: "what's up?", … }
WEEKDAYS.index_with([ Interval.all_day ]) WEEKDAYS.index_with(Interval.all_day)
# => { monday: [ 0, 1440 ], … } # => { monday: [ 0, 1440 ], … }
``` ```