Hello,
I'm working on a function in a package that will provide an exported
function that will convert formula to LaTeX equations. For that, it
recursively goes through the formula converting objects of class "formula",
"call", "name", and "(" to LaTeX.
I have a private S3 generic function that I'm using for the conversion, but
for some reason, the generic is not detected, and checking the package fails
for that reason
(https://travis-ci.org/billdenney/bsd.report/jobs/651510333):
no applicable method for 'knit_print_helper_formula' applied to an object of
class "name"
Backtrace:
1. testthat::expect_equal(...)
4. bsd.report:::knit_print.formula(a ~ b(c))
6. bsd.report:::knit_print_helper_formula.formula(x, ..., replacements =
replacements)
9. bsd.report:::knit_print_helper_formula.call(x[[3]], ...)
10. bsd.report:::knit_print_helper_formula.function_call(x, ...)
11. base::sapply(...)
12. base::lapply(X = X, FUN = FUN, ...)
13. bsd.report:::FUN(X[[i]], ...)
But, there is a knit_print_helper_formula.name function call defined
(https://github.com/billdenney/bsd.report/blob/master/R/knit_print.formula.R
#L60-L79):
knit_print_helper_formula <- function(x, ...) {
UseMethod("knit_print_helper_formula")
}
# Some other methods
knit_print_helper_formula.name <- function(x, ...) {
# Function body
}
Does anyone know why the S3 method for name class objects is not found when
checking the package?
Thanks,
Bill
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