get<T> method

T get<T>(
  1. String key
)

Returns the JSON value of the parameter named key.

Throws a StateError if the value isn't a T.

Implementation

T get<T>(String key) {
  final value = _params[key];
  if (value is! T) {
    throw StateError('$key is not $T: $value');
  }
  return value;
}