I don't know what gaal was thinking, but that's not it. The problem is that Term::ReadKey::ReadMode in Term::ReadKey::ReadMode 2; is a bareword unless you load Term::ReadKey. With strict enabled, Perl gives a warning instead of trying to disambiguate what you meant.

For this reason, a lot of people recommend always using parentheses around all subroutine and method call arguments.

In reply to Re^3: Conditional module use by chromatic
in thread Conditional module use by Nkuvu

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