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DAddYE/GC.rb

Created February 25, 2013 00:16
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GC.rb
# Ruby 1.9
4.2.object_id == 4.2.object_id # => false
# Ruby 2.0
warn "Optimization only on 64 bit systems" unless 42.size * 8 == 64
4.2.object_id == 4.2.object_id # => true (4.2 is immediate)
4.2e100.object_id == 4.2e100.object_id # => false (4.2e100 isn't)
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