# Re: string range membership

**URL:** <https://www.ruby-forum.com/t/re-string-range-membership/76659>\
**Category:** Ruby\
**Created:** [November 28, 2005, 5:55pm UTC](https://www.ruby-forum.com/t/re-string-range-membership/76659 "2005-11-28T17:55:17Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![warrenbrown](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/w/f9ae1b/32.png) [@warrenbrown](https://www.ruby-forum.com/u/warrenbrown)\
**Post date:** [November 28, 2005, 5:55pm UTC](https://www.ruby-forum.com/t/re-string-range-membership/76659/1 "2005-11-28T17:55:17Z")

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Matz,

> I’m vaguely thinking of changing #member? back to  
> membership check, with performance optimization for  
> numbers.

```
Yay! What about Range#include?? Would it still be an alias for

```

Range#member?, or would it retain the current interval check?

```
-Warren B.
```

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**Author:** ![warrenbrown](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/w/f9ae1b/32.png) [@warrenbrown](https://www.ruby-forum.com/u/warrenbrown)\
**Post date:** [November 28, 2005, 6:35pm UTC](https://www.ruby-forum.com/t/re-string-range-membership/76659/2 "2005-11-28T18:35:40Z")

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Hi,

In message “Re: [BUG] string range membership”  
on Tue, 29 Nov 2005 01:54:26 +0900, “Warren B.”  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) writes:

| Yay! What about Range#include?? Would it still be an alias for  
|Range#member?, or would it retain the current interval check?

No decided yet. Feel free to say your opinion.

```
						matz.

```