ocaml.lang.best-practice.ifs.ocamllint-backwards-if

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Backwards if. Rewrite the code as 'if not $E then $E2'.

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Defintion

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rules:
  - id: ocamllint-backwards-if
    pattern: if $E then () else $E2
    message: Backwards if. Rewrite the code as 'if not $E then $E2'.
    languages:
      - ocaml
    severity: WARNING
    metadata:
      category: best-practice
      technology:
        - ocaml
      license: Commons Clause License Condition v1.0[LGPL-2.1-only]

Examples

ifs.ml

let test a =
  (* ruleid:ocamllint-useless-else *)
  if a
  then print_string a
  else ()

let test2 a =
  (* ruleid:ocamllint-backwards-if *)
  if a
  then ()
  else print_string a