Overloading relational operators separately; thoughts?

[Russel Winder via Digitalmars-d]

On Sat, 2016-10-01 at 14:55 +0000, Chris Wright via Digitalmars-d
wrote:

> Groovy doesn't allow you to overload comparison operators
> individually, 
> and probably most JVM languages likewise. This is to retain
> compatibility 
> with Java, which has `.compareTo()` instead of `isLessThan()` etc.

Yes it does.  http://groovy-lang.org/operators.html

There is *also* compareTo.

> Ruby allows you to override individual comparison operators, with a 
> special operator `<=>` for combined comparisons. Nim lets you
> overload 
> arbitrary operators and create your own; some old discussions
> suggest 
> that the Comparable type is based on `<` alone.

Groovy also supports the spaceship operator.

-- 
Russel.
=============================================================================
Dr Russel Winder      t: +44 20 7585 2200   voip: sip:russel.winder at ekiga.net
41 Buckmaster Road    m: +44 7770 465 077   xmpp: russel at winder.org.uk
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