[ruby-core:106702] [Ruby master Feature#18410] Proposal to make inspect include underscores on numerics

Issue #18410 has been updated by mame (Yusuke Endoh).


Thousands separators may vary depending on locales. See the discussion of #16011.

Even if we can come to an agreement on the spec, changing `Integer#inspect` may have a big impact. We need to estimate the impact of the incompatibility. It would be good to first implement and try it with some projects like Rails.


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Feature #18410: Proposal to make inspect include underscores on numerics
https://bugs.ruby-lang.org/issues/18410#change-95388

* Author: brightbits (Michael Baldry)
* Status: Open
* Priority: Normal
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The documentation for inspect reads "Returns a string containing a human-readable representation of obj." but for large numerical values, while 964218442 is human-readable, 964_218_442 is a lot more readable. The language allows the use of underscores to make numbers more readable, so why should inspect not also honour this?

Happy to provide a patch if this would be an acceptable change.



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