x[-1].chr
[tiger-ppc.gfbm:246]bystr> irb
irb(main):001:0> s = “abc”
=> “abc”
irb(main):002:0> s[-1]
=> 99
irb(main):003:0> s[-1].chr
=> “c”
irb(main):004:0>
x[-1].chr
[tiger-ppc.gfbm:246]bystr> irb
irb(main):001:0> s = “abc”
=> “abc”
irb(main):002:0> s[-1]
=> 99
irb(main):003:0> s[-1].chr
=> “c”
irb(main):004:0>
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