Results of operator precedence parsing
$P0 = p6rule("<opparse>")
$P1 = $P0("a + b * 4")
$P1."dump"("$/")
produces
$/: <a + b * 4 @ 0> $/<opparse>: <a + b * 4 @ 0> opname=infix:+ $/<opparse><token>: <+ @ 2> $/<opparse><args>[0]: <a @ 0> $/<opparse><args>[1]: <b * 4 @ 4> opname=infix:* $/<opparse><args>[1]<token>: <* @ 6> $/<opparse><args>[1]<args>[0]: <b @ 4> $/<opparse><args>[1]<args>[1]: <4 @ 8>