Generate axis labels or col/label structures for plots

axis_labs(.spec, ..., .fun = axis_label)

axis_col_labs(.spec, ..., .fun = axis_label)

axis_label(x, .add_unit = TRUE)

axis_asis(x)

Arguments

.spec	a yspec object
...	unquoted column names in the spec
.fun	a function that forms the axis label data for
x	a ycol object
.add_unit	if `TRUE`, the unit is appended to the axis title if it is found a single column