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Add Len() functions for IDSet and Map

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This commit is contained in:
Alexander Neumann 2015-02-17 22:39:16 +01:00
parent 4d1e7b9f24
commit c631b5c738
2 changed files with 15 additions and 0 deletions
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7
backend/id_set.go
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@ -66,3 +66,10 @@ func (s *IDSet) Find(id ID) error {
return nil return nil
} }
func (s *IDSet) Len() int {
s.m.Lock()
defer s.m.Unlock()
return len(s.list)
}

8
map.go
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@ -140,6 +140,14 @@ func (bl *Map) Equals(other *Map) bool {
return true return true
} }
// Len returns the number of blobs in the map.
func (bl *Map) Len() int {
bl.m.Lock()
defer bl.m.Unlock()
return len(bl.list)
}
// Prune deletes all IDs from the map except the ones listed in ids. // Prune deletes all IDs from the map except the ones listed in ids.
func (m *Map) Prune(ids *backend.IDSet) { func (m *Map) Prune(ids *backend.IDSet) {
m.m.Lock() m.m.Lock()