I think in a lot of cases it doesn't matter (especially if die
'ing), but there is a difference in precedence. perldoc perlop
shows that ||
is higher than =
and some other operators, and or
has the lowest pecedence.
I've had cases where || return
needed to be changed to or return
so that Devel::Cover wouldn't complain about never getting a true value for the other half of the construct.
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