Many functions return the empty list or undef as some sort of error condition. Are you sure @values ought to be empty?

And how did adding a wrapper to force context solve the issue?

CountZero

A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James

In reply to Re^3: mystery function & Odd number of elements in anonymous hash by CountZero
in thread mystery function & Odd number of elements in anonymous hash by Anonymous Monk

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