Implement KeyError#receiver and KeyError#key #4940
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enebo
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Jan 5, 2018
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| public RubyKeyError(Ruby runtime, RubyClass exceptionClass, String message, IRubyObject recv, IRubyObject key) { | ||
| super(runtime, exceptionClass, message); | ||
| this.receiver = recv == null ? runtime.getNil() : recv; |
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Can you remove the null checks and above just pass in nil in the constructor above? I think we can accept the contract for this internal type can guarantee non-null values. In Array#fetch (and this is good to know) and all @JRubyMethods no passed in arguments will ever be null. We eliminate a lot of bulletproofing this way.
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Good observation, thanks. I believe I addressed your recommendation in the new commits I just pushed. Please let me know if there is something else to improve.
For more information, please see feature #12063.
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Hi,
This is another feature targeting Ruby 2.5 [1]: KeyError#receiver and KeyError#key (feature #12063).
Note: the tests are copied from MRI.
To implement this I followed the approach used with NameError class, since it has a similar behaviour. If this is not the right approach, just let me know.
Thanks for your review and feedback.