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Add update for EEP-16 #80

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19 changes: 19 additions & 0 deletions eeps/eep-0016.md
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Expand Up @@ -197,6 +197,25 @@ Here's some text to go in the documentation:
>
> Allowed in guard tests.

Addendum
=========

An [implementation](https://github.com/erlang/otp/pull/9995), closely
following this EEP, was made in 2025. In the discussion concerning the
implementation, Raimo Niskanen pointed out that the name `is_between` does
not convey that it is a type test for `integer()`. Changing the name of
the BIF from `is_between` to `is_integer` makes it clear that it cannot
be used as a type test for `float()`. It explains why it returns `false`
for `Term` being a float, just as `is_integer/1`, and like `is_function/2`
does when the first argument is not a function.

This suggestion was favored by most of the discussion participants. A
[new implementation](https://github.com/erlang/otp/pull/10276) was made,
where the only difference was to change the name of the BIF from `is_between`
to `is_integer`.

The latter implementation is planned to be included in OTP 29.

Copyright
=========

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