The Perl equivalent of your starting point is much closer of any of the other ones (which also probably have much less obscure forms). 

2*$x

[download]

To make the first one equivalent to the others, you'd have to do something that defines a function, like the other ones do. 

f(x) = 2x

[download]
--
brian d foy <bdfoy@cpan.org>

In reply to Re: The Evolution of Language (redux) by brian_d_foy
in thread The Evolution of Language (redux) by tlm

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