Prefer Enumerations over Constants

WarningClean ABAP & Modern Syntax#EC PREF_ENUMRemote Enabled

Overview

Prefer ENUM over CONSTANTS for set of related values.

ATC Finding Message: Prefer ENUM over CONSTANTS for set of related values

Rationale

Use TYPES: BEGIN OF ENUM ... END OF ENUM for related discrete value sets instead of structured CONSTANTS for type safety and modern syntax.

Non-Compliant

CONSTANTS:
  BEGIN OF c_status,
    open TYPE string VALUE 'O',
  END OF c_status.

Compliant

TYPES:
  BEGIN OF ENUM ty_status,
    open,
  END OF ENUM ty_status.

Suppression

To suppress findings for this rule, append the pseudo-comment to the statement:

" Standard pseudo-comment:
... "#EC PREF_ENUM

" SAP CI_ prefix format:
... "#EC CI_PREF_ENUM

Related Rules

• Avoid Magic Numbers; Use Named Constants — #EC NO_MAGIC_NUMBERS
• Avoid Hardcoding System & Tenant Environment Checks (sy-sysid, sy-mandt) — #EC NO_HARDCODED_ENV

Technical Details

• Native ATC Class: ZCL_SKYLINT_PREF_ENUM
• Implementation File: zcl_skylint_pref_enum.clas.abap