getBoolean method
Implementation
RadBoolean getBoolean(String key) {
if (_value.containsKey(key)) {
var value = _value[key];
if (value.runtimeType == RadBoolean) {
return value as RadBoolean;
} else {
throw RadError('RadMap', 'getBoolean', 'value is not an Boolean.');
}
} else {
throw RadError('RadMap', 'getBoolean', 'key $key is not in the Map.');
}
}