falconGitHub

avoid-multi-assignment

Path
lint/suspicious/avoid-multi-assignment
Default
Off, opt in
Origin
Falcon
Rule
91 of 512

Split chained assignments into separate statements.

Invalid

example.dartdart
void f(dynamic a, dynamic b, dynamic c, dynamic d) {
  a = b = 1;
  a = (b = 2);
  a = b = c = 3;
  a.value = b.value = 4;
  a += b = 5;
  d..value = b = 6;
}
Split chained assignments into separate statements.
1void f(dynamic a, dynamic b, dynamic c, dynamic d) {
2 a = b = 1;
Split chained assignments into separate statements.
2 a = b = 1;
3 a = (b = 2);
Split chained assignments into separate statements.
3 a = (b = 2);
4 a = b = c = 3;
Split chained assignments into separate statements.
4 a = b = c = 3;
5 a.value = b.value = 4;
Split chained assignments into separate statements.
5 a.value = b.value = 4;
6 a += b = 5;
Split chained assignments into separate statements.
6 a += b = 5;
7 d..value = b = 6;

Valid

example.dartdart
void f(dynamic a, dynamic b) {
  a = 1;
  b = 1;
  a += 2;
  b ??= 3;
  a = b + 1;
  a..value = 1..other = 2;
}

Configure avoid-multi-assignment

Set its severity in falcon.json. See the configuration guide.

falcon.jsonjson
{
  "linter": {
    "rules": {
      "suspicious": {
        "avoid-multi-assignment": "error"
      }
    }
  }
}

Or silence one occurrence with a suppression comment; the reason is required.

example.dartdart
// falcon-ignore lint/suspicious/avoid-multi-assignment: <reason>