1 files changed, 15 insertions, 0 deletions
diff --git a/internal/intconv/u32_u8.go b/internal/intconv/u32_u8.go
new file mode 100644
index 00000000..13aee55b
--- /dev/null
+++ b/internal/intconv/u32_u8.go
@@ -0,0 +1,15 @@
+package intconv
+
+import (
+	"fmt"
+	"math"
+)
+
+// Uint32ToUint8 converts v to uint8, returning an error if it overflows.
+func Uint32ToUint8(v uint32) (uint8, error) {
+	if v > math.MaxUint8 {
+		return 0, fmt.Errorf("intconv: uint32 %d overflows uint8", v)
+	}
+
+	return uint8(v), nil
+}