tryGet method

String? tryGet(
  1. String name
)

Gets a value by name from the underlying config map, or null if the underlying map does not contain the name.

Implementation

String? tryGet(String name) {
  if (!_env.containsKey(name) &&
      !_augments.values.any((m) => m.containsKey(name))) {
    return null;
  }
  return _env[name] ??
      _augments.values.firstWhere((m) => m.containsKey(name))[name];
}