Ruby Issue Tracking System

06/15/2012

07:57 PM Ruby Feature #6555: New comparison operators

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A friend told me that D language provides 14 comparisons operators for Floating point comparisons : ((<URL:http://dlang.org/expression.html#RelExpression>))
I don't know how really useful it is in D, but it is interesting beca... jEFF (Jean-François Berroyer)

06/08/2012

09:19 PM Ruby Feature #6555: New comparison operators

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I understand your hesitation in adding 8 more operators. It is not a little change. I am also aware that in Ruby, we can do without operators since methods can fit everywhere we use operators.
I really appreciate that in Ruby,... jEFF (Jean-François Berroyer)

01:05 AM Ruby Feature #6555: New comparison operators

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Ok, il will try to explain my mind.
Imagine objects that are naturaly ordered like in a tree structure. This is typically a partial order.
You would like to write (({a < b})) to test if a is a descendant of b, (({a > b})) if ... jEFF (Jean-François Berroyer)

06/07/2012

09:03 PM Ruby Feature #6555 (Rejected): New comparison operators

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x <=> y returns -1, 0, 1 or nil
(x <=> y) == -1 means "x less than y" and is the same as x < y
(x <=> y) == 0 means "x equal y" is the same as x == y
(x <=> y) == 1 means "x greater than y" and is the same as x > y
... jEFF (Jean-François Berroyer)