Re^3: Two simple code style advice questions

It probably means "Using '... x condition' is not always safe":

say $_ ? "true" : "false", "a" x $_ for 0, 1, "0e0";
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Re^4: Two simple code style advice questions by Anonymous Monk on Jan 16, 2013 at 14:20 UTC
Now what do you mean by that? What is it that you expect and how is it unsafe?	[reply]
Re^5: Two simple code style advice questions by Anonymous Monk on Jan 16, 2013 at 14:37 UTC
The issue is that the code relies on true being represented by numeric one. While that works for numeric comparisons, it is not a safe assumption in general. So applying this construct to other kinds of tests could be dangerous.	[reply]