sequence multiplied by -1

[Seebs]

On 2010-10-03, Steven D'Aprano <steve at REMOVE-THIS-cybersource.com.au> wrote:
> On Sat, 02 Oct 2010 12:50:02 -0700, Dennis Lee Bieber wrote:
>> 	Well... We could maybe borrow from REXX... and 
>> use		||	for concatenation.

>|| for concatenation? What's the connection between the pipe character 
> and concatenation?

That it's used for concatenation in at least two languages (REXX and SQL).

> It seems to 
> me that || was just plucked out of the air because it was unused.

That's quite possible in the past, but now it'd probably be done for
consistency with some other language that did it already.

-s
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