instance method `blank?`

Ruby on Rails 4.2.9

Since v2.2.3

Compare with:

blank?()

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

This simplifies

!address || address.empty?

address.blank?

@return [true, false]

Source

# File activesupport/lib/active_support/core_ext/object/blank.rb, line 16
  def blank?
    respond_to?(:empty?) ? !!empty? : !self
  end

Defined in activesupport/lib/active_support/core_ext/object/blank.rb line 16 · View on GitHub · Improve this page · Find usages on GitHub

Defined in Object

Signature