Method Decr

internal/dmap/atomic.go:105–110

Decr atomically decrements key by delta. The return value is the new value after being decremented or an error.

(ctx context.Context, key string, delta int)

// Decr atomically decrements key by delta. The return value is the new value after being decremented or an error.
func (dm *DMap) Decr(ctx context.Context, key string, delta int) (int, error) {
	e := newEnv(ctx)
	e.dmap = dm.name
	e.key = key
	return dm.atomicIncrDecr(protocol.DMap.Decr, e, delta)
}

func (dm *DMap) getPut(e *env) (storage.Entry, error) {
	atomicKey := e.dmap + e.key