method

blank?

Ruby on Rails latest stable (v2.3.8) - 1 note - Class: Object

blank?() public

An object is blank if it’s false, empty, or a whitespace string. For example, "", " ", nil, [], and {} are blank.

This simplifies:

  if !address.nil? && !address.empty?

…to:

  if !address.blank?

Show source

# File activesupport/lib/active_support/core_ext/object/blank.rb, line 12
  def blank?
    respond_to?(:empty?) ? empty? : !self
  end

October 27, 2009

2 thanks

The opposite of this is #present?