[ ruby-Bugs-5273 ] range ===

Bugs item #5273, was opened at 2006-08-02 21:49
You can respond by visiting: 
http://rubyforge.org/tracker/?func=detail&atid=1698&aid=5273&group_id=426

Category: Core
Group: 1.9.x
Status: Open
Resolution: None
Priority: 3
Submitted By: Ondrej Bilka (eirik)
Assigned to: Nobody (None)
Summary: range ===

Initial Comment:
method range#=== returns false when its begin or end aren't numeric
It breaks code like (?a...?z)===?c
Another enexpected behaviour is
case
when (Time.at(0)...Time.at(2))

solution would be replace === with cover?

from ruby talk 167138
Problem String#succ is lexicographicaly less than string occurs only when length increases. It could be bypassed by eating leading white space so " 9".succ=="10"
Problem when beg and end legths are different remains but IMO when foo.succ<foo you should raise assert error.

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You can respond by visiting: 
http://rubyforge.org/tracker/?func=detail&atid=1698&aid=5273&group_id=426