registerNamedSingleton<T> method

T registerNamedSingleton <T>(
  1. String name,
  2. T object

Registers a named singleton.

Note that this is not related to type-based injections, and exists as a mechanism to enable injecting multiple instances of a type within the same container hierarchy.


T registerNamedSingleton<T>(String name, T object) {
  if (_namedSingletons.containsKey(name)) {
    throw StateError('This container already has a singleton named "$name".');

  _namedSingletons[name] = object;
  return object;