nothrow function to tell if a string can be converted to a number?

[H. S. Teoh]

On Wed, Sep 11, 2013 at 02:10:32PM -0700, Timothee Cour wrote:
> actually that doesn't work:
> 
> assert(!isNumeric(`j`)); //ok
> assert(!isNumeric(`i`)); //fails ; i is treated as a complex number but
> that's not good behavior as we can't write auto a=i;

Yikes!

This makes me *extremely* glad built-in complex numbers are
deprecated... can you imagine the mess that would result if you had a
loop counter named 'i' and the loop body contains expressions involving
'i' and complex literals involving (the other) 'i'?

*shudder*


T

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GEEK = Gatherer of Extremely Enlightening Knowledge