Nothing
## ---- include = FALSE---------------------------------------------------------
knitr::opts_chunk$set(
collapse = TRUE,
comment = "#>"
)
library(flow)
## -----------------------------------------------------------------------------
tidyselect::ends_with
## ---- eval = FALSE------------------------------------------------------------
# flow_view_vars(tidyselect::ends_with)
## ---- eval = FALSE------------------------------------------------------------
# flow_view_vars(tidyselect::ends_with, expand = FALSE)
## ---- eval = FALSE------------------------------------------------------------
# flow_view_deps(tidyselect::ends_with)
## ---- eval = FALSE------------------------------------------------------------
# flow_view_deps(tidyselect::ends_with, show_imports = "packages")
## ---- eval = FALSE------------------------------------------------------------
# flow_view_deps(tidyselect::ends_with, show_imports = "none")
## ---- eval = FALSE------------------------------------------------------------
# flow_view_deps(tidyselect::ends_with, promote = "purrr::map")
## ---- eval = FALSE------------------------------------------------------------
# flow_view_deps(tidyselect::ends_with, demote = "peek_vars")
## ---- eval = FALSE------------------------------------------------------------
# flow_view_deps(tidyselect::ends_with, hide = c("peek_vars", "purrr::map"))
## ---- eval = FALSE------------------------------------------------------------
# flow_view_deps(tidyselect::ends_with, trim = "peek_vars")
## ---- eval = FALSE------------------------------------------------------------
# flow_view_shiny(esquisse::esquisser, show_imports = "none")
## ---- eval = FALSE------------------------------------------------------------
# flow_view_uses(purrr:::accum_index)
## ---- eval = FALSE------------------------------------------------------------
# flow_compare_runs(rle(NULL), rle(c(1, 2, 2, 3)))
## -----------------------------------------------------------------------------
#' Add or subtract
#'
#' This is a useless function that adds or subtract numbers
#'
#' See its logic in this flow diagram:
#'
#' `r flow_embed(flow_view(add_or_subtract), "add_or_subtract")`
#'
#' @param x string
#' @param y string
#' @param what "add" or "subtract"
add_or_subtract <- function(x, y, what = c("add", "subtract")) {
what <- match.arg(what)
if (what == "add") {
x + y
} else {
x - y
}
}
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