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As for string concatenation operators, I would like to draw your attention to a couple of points discussed last month in p6-language:

Andey Wardley asks why can't we use +
Larry Wall explains why we can't use space (i.e. juxtaposition).

Reference: pdcawley's most excellent summary.

I would say we are in need of a concatenation operator. I don't always want to interpolate within a string to join things together. And using join to join two scalars together seems cumbersome.

print@_{sort keys %_},$/if%_=split//,'= & *a?b:e\f/h^h!j+n,o@o;r$s-t%t#u'

In reply to Re: We don't need a cat by grinder
in thread We don't need a cat by John M. Dlugosz

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