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