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Answers and rating deltas for

How do I pass a variable as first argument to a subroutine only if it is defined?

Author Votes Δ
ysth 7 +1.14
mu is too short 2 -0.38
Dave Sherohman 2 -0.07
tadmc 1 -1.84
kixx 0 -3.70
Last visited: Sep 14, 2014, 5:07:29 AM