[Issue 5765] ^^ and << with BigInts

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=5765


Don <clugdbug at yahoo.com.au> changed:

           What    |Removed                     |Added
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                 CC|                            |clugdbug at yahoo.com.au


--- Comment #1 from Don <clugdbug at yahoo.com.au> 2011-03-22 00:39:07 PDT ---
Those operations could easily be allowed. But it's not an accident that they're
not currently implemented. The question is, is it a good idea?

anything ^^ BigInt  and anything << BigInt will ALWAYS overflow, if the BigInt
doesn't actually fit into an int.

So except for a few toy cases, such as the example here, such operations are
always bugs in the user's code.
Do we really want to allow such a bug-prone operation which provides no useful
functionality?

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