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dinks/test.rb

Created January 19, 2015 17:08
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nil? v/s empty? v/s blank?
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test.rb
# Rails
nil.nil? # true
"".empty? # true
[].empty? # true
{}.empty? # true
nil.empty? # NoMethodError
" ".empty? # false
nil.blank? # true
false.blank? # true
[].blank? # true
{}.blank? # true
"".blank? # true
5.blank? # false
" ".blank? # true
!obj.blank? == obj.present?
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