isBoolean method
Implementation
void isBoolean({bool fromString = false}) {
if (fromString) {
rules.add(RuleHolder(CanBoolFromStringRule()));
} else {
rules.add(RuleHolder(IsBoolRule()));
}
}
void isBoolean({bool fromString = false}) {
if (fromString) {
rules.add(RuleHolder(CanBoolFromStringRule()));
} else {
rules.add(RuleHolder(IsBoolRule()));
}
}