valign(jams) <- "top"
valign(jams)
jams2 <- set_valign(jams,
"bottom")
valign(jams2)
jams3 <- set_valign(jams,
2:3, 1, "bottom")
valign(jams3)
jams4 <- map_valign(jams,
by_rows(
"bottom",
"top")
)
valign(jams4)
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