Added self adjustment minLow and maxHigh values. Renamed Get method to GetIntervals. Removed Report method, moved functionality to the Intervals Springer implementation. Added GetMinLow and GetMaxHigh methods.

add.go

@@ -1,5 +1,7 @@
 package interval
 
+import "math"
+
 func (intvls *intervals) Add(low, high int, obj interface{}) error {
 	itvl := &Interval{
 		Low:    low,
@@ -10,6 +12,17 @@ func (intvls *intervals) Add(low, high int, obj interface{}) error {
 }
 
 func (intvls *intervals) AddInterval(itvl *Interval) error {
+
+	// the first time an interval is added, we check if a self adjustment is programmed to update some control variables
+	if len(intvls.Intervals) == 0 {
+		if intvls.SelfAdjustMinLow {
+			intvls.MinLow = math.MaxInt64
+		}
+		if intvls.SelfAdjustMaxHigh {
+			intvls.MaxHigh = math.MinInt64
+		}
+	}
+
 	low := intvls.getInclusiveLow(itvl.Low)
 	high := intvls.getInclusiveHigh(itvl.High)
 
@@ -18,6 +31,13 @@ func (intvls *intervals) AddInterval(itvl *Interval) error {
 		return err
 	}
 
+	if intvls.SelfAdjustMaxHigh && high > intvls.MaxHigh {
+		intvls.MaxHigh = high
+	}
+	if intvls.SelfAdjustMinLow && low < intvls.MinLow {
+		intvls.MinLow = low
+	}
+
 	intvls.Intervals = append(intvls.Intervals, itvl)
 	intvls.reset()
 	return nil