registerSingleton<T> method
registers a type as Singleton by passing an instance
of that type
that will be returned on each call of get on that type
T
type to register
instanceName
if you provide a value here your instance gets registered with that
name instead of a type. This should only be necessary if you need to register more
than one instance of one type. Its highly not recommended
Implementation
void registerSingleton<T>(T instance, [String instanceName]) {
_register<T>(
type: _ServiceFactoryType.constant,
instanceName: instanceName,
instance: instance);
}