On 2016-04-12 6:59 AM, Brandon Allbery wrote:
On Tue, Apr 12, 2016 at 9:51 AM, Brock Wilcox <awwa...@thelackthereof.org> 
wrote:
    Heart doesn't work for me, but other symbols seem fine. I don't know why. I
    also didn't need to quote them. Here is a REPL session from a Rakudo 
2016.01.1:

         > sub Δ($x) { say "got $x" }

Δ is a perfectly valid letter in the Greek alphabet. Unicode doesn't care that
you prefer to think of it as a symbol.

On the other hand, Unicode has a lot of actual Mathematical Symbols for stuff like this, so you don't have to use what it considers Greek letters when you mean symbols.

For example, ∆ is U+2206 named INCREMENT.

Is that not better, or is an actual Greek letter desired in the above example?

-- Darren Duncan

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