Usage of statements, operators and keywords specific to ActionScript 2 does not allow to migrate to ActionScript 3. This includes "intrinsic" keyword, set variable statement and following list of operators:

The following code snippet illustrates this rule:

if (true != false) { // Compliant
}

if (true <> false) { // Non-compliant
}

set("varName", value); // Non-cmpliant
varName = value; // Compliant