[Swift-devel] Problem with iterate

Mihael Hategan hategan at mcs.anl.gov
Thu Feb 18 20:13:29 CST 2010


On Thu, 2010-02-18 at 23:19 +0000, Ben Clifford wrote:
> 
> > But I don't get it, how can the variable b not have a value, if it is consumed
> > by cat() in a prior statement?
> 
> Its not prior in execution order; its prior in source text, which does not 
> imply execution order.
> 
> If I write (in maths, not in a program) this system of simultaneous 
> equations:
> 
> x = y + 1
> y = x + 1

A formulation which beautifully captures the nature of a Swift script.
"A set of simultaneous equations".




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