Class: NilClass

Inherits:

Object

• Object
• NilClass

Defined in:

lib/ruby/jruby_hack.rb,
lib/ruby/jruby_hack.rb

Combinators

• #try(*args) ⇒ Object

  Returns ‘nil` (when `self` is `nil`).

Instance Method Summary

• #blank? ⇒ Boolean

  Always ‘true`.

• #present? ⇒ Boolean

Instance Method Details

#blank? ⇒ Boolean

Always ‘true`. Note this overrides Object#blank? which returns false.

Examples:

nil.blank?    #=> true

Returns:

• (Boolean)

# File 'lib/ruby/jruby_hack.rb', line 250

def blank?
  true
end

#present? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/ruby/jruby_hack.rb', line 254

def present?
  false
end

#try(*args) ⇒ Object

Returns ‘nil` (when `self` is `nil`). This overrides Object#try

Examples:

"non-nil".try(&:length) #=> 7
nil.try(&:length)       #=> nil

"non-nil".try(:slice, 0, 3)   #=> "non"
nil.try(:slice, 0, 3)         #=> nil

Returns:

• nil

# File 'lib/ruby/jruby_hack.rb', line 680

def try(*args)
  self
end