| package concurrency | |
| // resourceKey represents an identifier of an abstract resource. | |
| type resourceKey interface{} | |
| // resourceSet represents a set of abstract resources. | |
| type resourceSet map[resourceKey]struct{} | |
| // newResourceSet if the resourceSet factory. | |
| func newResourceSet() resourceSet { | |
| return make(resourceSet) | |
| } |