Compound Assignment Operators ( +=, *=, etc...)

[Fredrik Lundh]

Andrew Clover <esuzm at primrose.csv.warwick.ac.uk> wrote:
> I'd like a syntax like:
> 
>   x.+(1)
> 
> With the idea that x is an object (of type int) with a '+' method that
> adds stuff to it. It'd be nicer without the brackets though.

mutable integers?  now that's a really cool feature! (known
from Fortran and Tcl, among others. I'm pretty sure Perl
has them too ;-).

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