isString method
Implementation
void isString({bool toString = false}) {
if (toString) {
rules.add(RuleHolder(CanStringRule()));
} else {
rules.add(RuleHolder(IsStringRule()));
}
}
void isString({bool toString = false}) {
if (toString) {
rules.add(RuleHolder(CanStringRule()));
} else {
rules.add(RuleHolder(IsStringRule()));
}
}