Files
mruby-mruby/mrbgems/mruby-array-ext/mrblib
KOBAYASHI Shuji fe6cf851bf Array#permutation with a negative argument should not yield
Before this patch:

  $ bin/mruby -e '[1].permutation(-1){|v| p v}'  #=> [1]

After this patch (same as Ruby):

  $ bin/mruby -e '[1].permutation(-1){|v| p v}'  #=> no output
2019-09-01 09:28:11 +09:00
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