diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/array/conversions.rb')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/array/conversions.rb | 31 |
1 files changed, 9 insertions, 22 deletions
diff --git a/activesupport/lib/active_support/core_ext/array/conversions.rb b/activesupport/lib/active_support/core_ext/array/conversions.rb index 64e9945ef5..080e3b5ef7 100644 --- a/activesupport/lib/active_support/core_ext/array/conversions.rb +++ b/activesupport/lib/active_support/core_ext/array/conversions.rb @@ -8,11 +8,11 @@ class Array # Converts the array to a comma-separated sentence where the last element is # joined by the connector word. # - # You can pass the following options to change the default behaviour. If you + # You can pass the following options to change the default behavior. If you # pass an option key that doesn't exist in the list below, it will raise an # <tt>ArgumentError</tt>. # - # Options: + # ==== Options # # * <tt>:words_connector</tt> - The sign or word used to join the elements # in arrays with two or more elements (default: ", "). @@ -24,6 +24,8 @@ class Array # the connector options defined on the 'support.array' namespace in the # corresponding dictionary file. # + # ==== Examples + # # [].to_sentence # => "" # ['one'].to_sentence # => "one" # ['one', 'two'].to_sentence # => "one and two" @@ -38,10 +40,10 @@ class Array # ['one', 'two', 'three'].to_sentence(words_connector: ' or ', last_word_connector: ' or at least ') # # => "one or two or at least three" # - # Examples using <tt>:locale</tt> option: + # Using <tt>:locale</tt> option: # # # Given this locale dictionary: - # # + # # # # es: # # support: # # array: @@ -80,23 +82,8 @@ class Array end end - # Converts a collection of elements into a formatted string by calling - # <tt>to_s</tt> on all elements and joining them. Having this model: - # - # class Blog < ActiveRecord::Base - # def to_s - # title - # end - # end - # - # Blog.all.map(&:title) #=> ["First Post", "Second Post", "Third post"] - # - # <tt>to_formatted_s</tt> shows us: - # - # Blog.all.to_formatted_s # => "First PostSecond PostThird Post" - # - # Adding in the <tt>:db</tt> argument as the format yields a comma separated - # id list: + # Extends <tt>Array#to_s</tt> to convert a collection of elements into a + # comma separated id list if <tt>:db</tt> argument is given as the format. # # Blog.all.to_formatted_s(:db) # => "1,2,3" def to_formatted_s(format = :default) @@ -105,7 +92,7 @@ class Array if empty? 'null' else - collect { |element| element.id }.join(',') + collect(&:id).join(',') end else to_default_s |