There is no unary plus operator. The "+" is part of the number literal, as defined in perldata.
(If it was a unary plus operator, the behaviour would require a two token lookahead, and that's very unlikely.)
In reply to Re: Operator precedence of unary plus (Bug or Feature)
by ikegami
in thread Operator precedence of unary plus (Bug or Feature)
by LanX
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