> ($fo + 0 || 8) is parsed as ($fo + (0 || 8)) due to precedence.

It's not.

perl -MO=Deparse,-p -e 'print $fo + 0 || 8'
print((($fo + 0) || 8));

[download]

map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]

In reply to Re^2: conditional print. Is correct to use it? by choroba
in thread conditional print. Is correct to use it? by pvaldes

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