Missing argument linter

Check for missing arguments in function calls (e.g. stats::median(1:10, )).

Usage

missing_argument_linter(
  except = c("alist", "quote", "switch"),
  allow_trailing = FALSE
)

Arguments

except

a character vector of function names as exceptions.

allow_trailing

always allow trailing empty arguments?

See also

linters for a complete list of linters available in lintr.

Tags

common_mistakes, configurable, correctness

Examples

# will produce lints
lint(
  text = 'tibble(x = "a", )',
  linters = missing_argument_linter()
)
#> <text>:1:17: style: [missing_argument_linter] Missing argument 2 in function call.
#> tibble(x = "a", )
#>                 ^

# okay
lint(
  text = 'tibble(x = "a")',
  linters = missing_argument_linter()
)
#> ℹ No lints found.

lint(
  text = 'tibble(x = "a", )',
  linters = missing_argument_linter(except = "tibble")
)
#> ℹ No lints found.

lint(
  text = 'tibble(x = "a", )',
  linters = missing_argument_linter(allow_trailing = TRUE)
)
#> ℹ No lints found.