gistfile1.txt

[subbu@earth ~] irb
irb(main):001:0> 1.to_ary
NoMethodError: undefined method `to_ary' for 1:Fixnum
	from (irb):1
irb(main):002:0> a,b,c=1; p a,b,c
1
nil
nil
=> nil
irb(main):003:0> class Fixnum
irb(main):004:1> def to_ary; []; end
irb(main):005:1> end
=> nil
irb(main):006:0> a,b,c=1; p a,b,c
nil
nil
nil
=> nil
irb(main):007:0> [subbu@earth ~] ast -e "a,b,c,=1"

RootNode 0
  NewlineNode 0
    MultipleAsgnNode 0
      ArrayNode 0
        LocalAsgnNode:a 0
        LocalAsgnNode:b 0
        LocalAsgnNode:c 0
      ToAryNode 0
        FixnumNode 0