Phan\AST\UnionTypeVisitor::visitCast PHP Method

    public function visitCast(Node $node) : UnionType
    {
        // TODO: Check if the cast is allowed based on the right side type
        UnionType::fromNode($this->context, $this->code_base, $node->children['expr']);
        switch ($node->flags) {
            case \ast\flags\TYPE_NULL:
                return NullType::instance()->asUnionType();
            case \ast\flags\TYPE_BOOL:
                return BoolType::instance()->asUnionType();
            case \ast\flags\TYPE_LONG:
                return IntType::instance()->asUnionType();
            case \ast\flags\TYPE_DOUBLE:
                return FloatType::instance()->asUnionType();
            case \ast\flags\TYPE_STRING:
                return StringType::instance()->asUnionType();
            case \ast\flags\TYPE_ARRAY:
                return ArrayType::instance()->asUnionType();
            case \ast\flags\TYPE_OBJECT:
                return ObjectType::instance()->asUnionType();
            default:
                throw new NodeException($node, 'Unknown type (' . $node->flags . ') in cast');
        }
    }