instance method `blank?`

Ruby on Rails 4.0.13

Since v2.2.3

Compare with:

blank?()

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

This simplifies:

if address.nil? || address.empty?

…to:

if address.blank?

Source

# File activesupport/lib/active_support/core_ext/object/blank.rb, line 14
  def blank?
    respond_to?(:empty?) ? empty? : !self
  end

Defined in activesupport/lib/active_support/core_ext/object/blank.rb line 14 · View on GitHub · Improve this page · Find usages on GitHub

Defined in Object

Signature