boolValue method Null safety
- String key
Implementation
bool? boolValue(String key) {
if ((this[key] == null) || (this[key] == 0)) {
return false;
} else if (this[key] is int) {
return this[key] == 0 ? false : true;
} else if (this[key] is String) {
return this[key].toString().length == 0 ? false : true;
} else {
return this[key] as bool?;
}
}