Subtracting two DateTimes to return a Duration?

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David Faulkenberry

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Dec 13, 2016, 6:05:21 PM12/13/16

to Ruby on Rails: Core

This was spurred by my desire to be able to write in RSpec something like:

expect(a_datetime).to be_within 5.minutes of some_other_datetime

All that would be needed to make this and other such comparisons work (as far as I can tell) is to implement the 'minus' method such that subtracting two DateTimes returns a Duration.

Seems like it might make a nice addition.

David Faulkenberry

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Dec 22, 2016, 9:49:37 AM12/22/16

to Ruby on Rails: Core

Opened #27436 for comment.

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