Helper to make a placeholder for a label-value pair.
Usage
lbl(...)
Value
A label_placeholder object, useful in functions like lbl_add
Arguments
...
Either one or two arguments, possibly named .val and .lbl. If a
single unnamed value, represents the label, if 2 unnamed values, the first
is the value and the second is the label.
See Also
Other lbl_helpers:
lbl_add(),
lbl_clean(),
lbl_collapse(),
lbl_define(),
lbl_na_if(),
lbl_relabel(),
zap_ipums_attributes()