empty_assignment_linter: Block assignment of '{}'

In lintr: A 'Linter' for R Code

Block assignment of {}

Description

Assignment of {} is the same as assignment of NULL; use the latter for clarity. Closely related: unnecessary_concatenation_linter().

Usage

empty_assignment_linter()

Tags

best_practices, readability

See Also

linters for a complete list of linters available in lintr.

Examples

# will produce lints
lint(
  text = "x <- {}",
  linters = empty_assignment_linter()
)

writeLines("x = {\n}")
lint(
  text = "x = {\n}",
  linters = empty_assignment_linter()
)

# okay
lint(
  text = "x <- { 3 + 4 }",
  linters = empty_assignment_linter()
)

lint(
  text = "x <- NULL",
  linters = empty_assignment_linter()
)

lintr documentation built on Nov. 7, 2023, 5:07 p.m.