beautify map invocations of users

app/controllers/users_controller.rb

@@ -4,7 +4,7 @@ class UsersController < ApplicationController
   def index
     @users = User.natural_search(params[:q])
     respond_to do |format|
-      format.json { render :json => @users.map { |u| u.token_attributes } }
+      format.json { render :json => @users.map(&:token_attributes) }
     end
   end
 

app/views/messages/new.haml

@@ -36,7 +36,7 @@
         = t '.list.mail', email: mail_to(FoodsoftConfig[:mailing_list_subscribe])
 
   #recipients
-    = f.input :recipient_tokens, :input_html => { 'data-pre' => User.find_all_by_id(@message.recipients_ids).map { |u| u.token_attributes }.to_json }
+    = f.input :recipient_tokens, :input_html => { 'data-pre' => User.find_all_by_id(@message.recipients_ids).map(&:token_attributes).to_json }
     = f.input :group_id, :as => :select, :collection => Group.undeleted.order('type DESC, name ASC').all.reject { |g| g.memberships.empty? }
   = f.input :private
   = f.input :subject, input_html: {class: 'input-xxlarge'}

app/views/shared/_group_form_fields.html.haml

@@ -4,7 +4,7 @@
 = yield
 
 = f.input :user_tokens, :as => :string,
-  :input_html => { 'data-pre' => f.object.users.map { |u| u.token_attributes }.to_json }
+  :input_html => { 'data-pre' => f.object.users.map(&:token_attributes).to_json }
 
 - content_for :javascript do
   :javascript

app/views/tasks/_form.html.haml

@@ -19,7 +19,7 @@
   = f.input :name
   = f.input :description, as: :text, input_html: {rows: 10}
   = f.input :duration, :as => :select, :collection => 1..3
-  = f.input :user_list, :as => :string, :input_html => { 'data-pre' => @task.users.map { |u| u.token_attributes }.to_json }
+  = f.input :user_list, :as => :string, :input_html => { 'data-pre' => @task.users.map(&:token_attributes).to_json }
   = f.input :required_users
   = f.association :workgroup
   = f.input :due_date, as: :date_picker