getAs<T> method
Alias to get returning as T
.
If not null, it attempts to parse the value into T
or throws a StateError.
Implementation
T? getAs<T>(String key, {T? defaultValue, bool caseSensitive = false}) {
var val =
get(key, defaultValue: defaultValue, caseSensitive: caseSensitive);
if (val == null) return null;
if (val is! T) {
var val2 = _parseValue<T>(val);
if (val2 != null) return val2;
throw StateError("Can't return key `$key` as `$T`: $val");
}
return val;
}