From: nobu@...
Date: 2018-02-22T07:21:39+00:00
Subject: [ruby-core:85744] [Ruby trunk Feature#14473] Add Range#subrange?

Issue #14473 has been updated by nobu (Nobuyoshi Nakada).


It should consider `exclude_end?` too.

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Feature #14473: Add Range#subrange?
https://bugs.ruby-lang.org/issues/14473#change-70586

* Author: greggzst (Grzegorz Jakubiak)
* Status: Open
* Priority: Normal
* Assignee: 
* Target version: 
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Hi there,

I'd like to propose a method that returns true when a range that the method gets called on is a subrange of a range passed in as an argument.

Example:

~~~ ruby
(2..4).subrange?(1...4) 
=> true
(-2..2).subrange?(-1..3) 
=> false
~~~






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