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Equivalent of expr_text()
and expr_label()
for formulas.
f_text(x, width = 60L, nlines = Inf)f_name(x)
f_label(x)
A formula.
Width of each line.
Maximum number of lines to extract.
# NOT RUN {
f <- ~ a + b + bc
f_text(f)
f_label(f)
# Names a quoted with ``
f_label(~ x)
# Strings are encoded
f_label(~ "a\nb")
# Long expressions are collapsed
f_label(~ foo({
1 + 2
print(x)
}))
# }
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