I'm not aware of different types of lists
having varying behavior in scalar context.
Are there some examples?
My original response was based on the documentation
in perldata - "If you evaluate a named array in a scalar
context, it returns the length of an array. (Note that this
is not true of lists, which return the last value, like the
C comma operator, nor of built-in functions, which return
whatever they feel like returning.)"
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