Skip to main content

prefer_conditional_expressions

Highlights simple "if" statements that can be replaced with conditional expressions

Example config:​

custom_lint:
  rules:
    - prefer_conditional_expressions:
      ignore_nested: true

Example​

BAD:​

// LINT
if (x > 0) {
  x = 1;
} else {
  x = 2;
}

// LINT
if (x > 0) x = 1;
else x = 2;

int fn() {
  // LINT
  if (x > 0) {
    return 1;
  } else {
    return 2;
  }
}

GOOD:​

x = x > 0 ? 1 : 2;

int fn() {
  return x > 0 ? 1 : 2;
}

Parameters​

ignore_nested (bool)​

Determines whether to ignore nested if statements:

 // Allowed if ignore_nested flag is enabled
 if (1 > 0) {
   _result = 1 > 2 ? 2 : 1;
 } else {
   _result = 0;
 }