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to_formatted_s

to_formatted_s(format = :default)

Instance Public methods

Extends Array#to_s to convert a collection of elements into a comma separated id list if :db argument is given as the format.

Blog.all.to_formatted_s(:db) # => "1,2,3"

Links:

https://github.com/rails/rails/blob/5ff00fcd3d3c4229246bf8ef749b6bc27a5cdb13/activesupport/lib/active_support/core_ext/array/conversions.rb#L89

doc_ruby_on_rails

2015-06-20 00:00:00

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