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Extend Item

extend.Rd

Add specific attribute(s) with fine tuning.

Usage

extend(config, item = get_context(), ...)

Arguments

config

the config object.

item

the name (id) of the item group.

...

one or several attribute instructions.

Value

a list.

Details

This function is a wrapper around design() to provide a comprehensive layered syntax.

It only understands the attribute instruction inside ...: attribute = c(name = "note", type = "character") Anything else will be filtered.

When item is set in the parent frame, then the parameter can be skipped in the function call.

See also

design(), parent.frame()

Examples

if (FALSE) { # \dontrun{
# create config
config <- design(project = "test",
        item = "foo")

# set item (to skip it in following calls)
item <- "foo"

# extend
config |>
  extend(attribute = c(name = "date", type = "Date", default = "Sys.Date()"))

# is same as
config <- design(project = "test",
        item = "foo",
        attribute = c(name = "date", type = "Date", default = "Sys.Date()"))
} # }