More work.

1 files changed, 27 insertions, 0 deletions

diff --git a/saturating/saturating.go b/saturating/saturating.go
new file mode 100644
index 0000000..10a0c87
--- /dev/null
+++ b/saturating/saturating.go
@@ -0,0 +1,27 @@
+package saturating
+
+type SaturatingInt struct {
+	max       int
+	value     int
+	saturated bool
+}
+
+func NewSaturatingInt(max int) *SaturatingInt {
+	return &SaturatingInt{max: max, value: 0, saturated: false}
+}
+
+func (s *SaturatingInt) Value() int {
+	if s.saturated {
+		return s.max
+	}
+	return s.value
+}
+
+func (s *SaturatingInt) Add(operand int) {
+	if !s.saturated {
+		s.value += operand
+		if s.value >= s.max {
+			s.saturated = true
+		}
+	}
+}