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KOBAYASHI Shuji authored
```console $ bin/mruby -e 'p({1 => 2}.key?(1.0))' true ``` ```console $ bin/mruby -e 'p({1 => 2}.key?(1.0))' false ```40d0d8fe
```console
$ bin/mruby -e 'p({1 => 2}.key?(1.0))'
true
```
```console
$ bin/mruby -e 'p({1 => 2}.key?(1.0))'
false
```