Class: Nydp::Builtin::Minus

Inherits:
Object show all
Includes:
Base, Singleton
Defined in:
lib/nydp/builtin/minus.rb

Instance Method Summary collapse

Methods included from Base

#call, #handle_error, ignore_errors, #inspect, #nydp_type, #to_s

Methods included from Helper

#cons, #list, #literal?, #pair?, #sig, #sym, #sym?

Methods included from Converter

#n2r, #r2n, #rubify

Instance Method Details

#builtin_call(*args) ⇒ Object 



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# File 'lib/nydp/builtin/minus.rb', line 6

def builtin_call *args
  if args.length == 1
    - args.first
  elsif args.first
    args.reduce(&:-)
  else
    0
  end
end

#name ⇒ Object 



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# File 'lib/nydp/builtin/minus.rb', line 4

def name ; "-" ; end