Re: is_numeric

[jdporter]

Very clever.

Perhaps too clever?

print is_numeric([]) ? "yes\n" : "no\n";

yes

[GrandFather]

  return eval { ! ref $x and $x == $x };

is a light weight way to fix that case.

[ikegami]

But if you do that, objects that overload numerification to return a number won't be considered numbers...