> But with the above you still have abiguity, for example what does this do
   > 
   >          $bar =~ /$foo.colour($xyz)/;

"Looks like a method call with parens, so *is* a method call with parens."

   
   > I may be remembering about interpolation into strings as "$file.ext" is
   > going to be common. But I do think the $() approach is clean and
   > unambiguous

I agree wholeheartedly. 

But it's not as *convenient* as "unadorned" interpolation.
Expecially if we expect method calls to be frequently interpolated.

Damian

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