Class: NilClass

Inherits:

Object

• Object
• NilClass

Defined in:

lib/R_interface/ruby_extensions.rb

Instance Method Summary

• #is__null ⇒ Object

  R NULL becomes Ruby nil; treat nil as null so .is__null.unboxed_get(0) works.

• #isTRUE ⇒ Object

  R's isTRUE(NULL) is FALSE; so nil.isTRUE.unboxed_get(0) => false.

Instance Method Details

#is__null ⇒ Object

R NULL becomes Ruby nil; treat nil as null so .is__null.unboxed_get(0) works.

# File 'lib/R_interface/ruby_extensions.rb', line 249

def is__null
  R::NULL_IS_NULL
end

#isTRUE ⇒ Object

R's isTRUE(NULL) is FALSE; so nil.isTRUE.unboxed_get(0) => false.

# File 'lib/R_interface/ruby_extensions.rb', line 253

def isTRUE
  R::NULL_IS_FALSE
end