🔨 Add 'types' package

types/durations.go

@@ -0,0 +1,41 @@
+package types
+
+import (
+	"sort"
+	"time"
+)
+
+type Durations []time.Duration
+
+func (d Durations) Sort(ascending ...bool) {
+	// If ascending is provided and is false, sort in descending order
+	if len(ascending) > 0 && ascending[0] == false {
+		sort.Slice(d, func(i, j int) bool {
+			return d[i] > d[j]
+		})
+	} else { // Otherwise, sort in ascending order
+		sort.Slice(d, func(i, j int) bool {
+			return d[i] < d[j]
+		})
+	}
+}
+
+func (d Durations) First() *time.Duration {
+	return &d[0]
+}
+
+func (d Durations) Last() *time.Duration {
+	return &d[len(d)-1]
+}
+
+func (d Durations) Sum() time.Duration {
+	sum := time.Duration(0)
+	for _, duration := range d {
+		sum += duration
+	}
+	return sum
+}
+
+func (d Durations) Avg() time.Duration {
+	return d.Sum() / time.Duration(len(d))
+}