On Mon, Aug 31, 2009 at 01:28:08PM -0700, Darren Duncan wrote:
> This is a great move; thanks for this change.
> So now writing things like 5/43 in code will DWIM and produce a Rat which 
> maintains the intended value exactly, with no floating-point imprecision; 
> and so plain 5/43 is now a plain Rat literal, same as 1.23 is.

FWIW, presently the specification somewhat implies that 1.23 is a Num 
literal, and doesn't say anything about it producing a Rat.  
(Yes, conversations on #perl6 have indicated that it may be otherwise, 
but nothing is currently in the spec about it.)  

S02:401 :
    One consequence of all this is that you may no longer write a Num as
    C<42.> with just a trailing dot.  You must instead say either C<42>
    or C<42.0>.


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