Working with Ruby
ActiveSupport 4 by Example: Numeric#to_s
The NumberHelper functionality is now available as Numeric#to_s
To try it out, do
git clone https://github.com/rails/rails
cd rails/activesupport
rvm gemset use rails4 --create
rake gem
gem install pkg/activesupport-4.0.0.beta
irb
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# from https://github.com/rails/rails/blob/master/activesupport/lib \ # /active_support/core_ext/numeric/conversions.rb >> require 'active_support/core_ext/numeric/conversions' #=> true >> 42.to_s #=> "42" >> 13.to_s(:rounded, precision: 5) #=> "13.00000" >> 12345678.to_s(:delimited) #=> "12,345,678" >> 98765432.98.to_s(:delimited, delimiter: '.', separator: ',') => "98.765.432,98" >> 55.22.to_s(:percentage, precision: 1) #=> "55.2%" >> 1234567890123456.to_s(:human) #=> "1.23 Quadrillion" >> 1234567.to_s(:human_size, precision: 2) #=> "1.2 MB" >> 1235551234.to_s(:phone) #=> "123-555-1234" >> 1235551234.to_s(:phone, delimiter: ' ', area_code: true) => "(123) 555 1234" >> 1234567890.50.to_s(:currency) #=> "$1,234,567,890.50"
