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-rw-r--r--go/hamming/hamming.go18
1 files changed, 18 insertions, 0 deletions
diff --git a/go/hamming/hamming.go b/go/hamming/hamming.go
new file mode 100644
index 0000000..88dca1e
--- /dev/null
+++ b/go/hamming/hamming.go
@@ -0,0 +1,18 @@
+package hamming
+
+import "errors"
+
+const testVersion = 4
+
+func Distance(a, b string) (int, error) {
+ if len(a) != len(b) {
+ return 0, errors.New("same length required")
+ }
+ var n int
+ for i := 0; i < len(a); i++ {
+ if a[i] != b[i] {
+ n++
+ }
+ }
+ return n, nil
+}