Class: Object

Inherits:
BasicObject
Defined in:
lib/fluent/plugin/kubernetes_metadata_common.rb

Overview

copied from activesupport

Instance Method Summary collapse

Instance Method Details

#blank? ⇒ true, false

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

This simplifies

!address || address.empty?

to

address.blank?

Returns:

  • (true, false) 


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# File 'lib/fluent/plugin/kubernetes_metadata_common.rb', line 129

def blank?
  respond_to?(:empty?) ? !!empty? : !self
end

#present? ⇒ true, false

An object is present if it’s not blank.

Returns:

  • (true, false) 


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# File 'lib/fluent/plugin/kubernetes_metadata_common.rb', line 136

def present?
  !blank?
end