Initial commit

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

pub/common/utils/strings.go

@@ -0,0 +1,27 @@
+package utils
+
+// BinarySearch BinarySearch
+func BinarySearch(s []string, t string, n int) (idx int) {
+	idx = -1
+	if n == 0 {
+		return
+	}
+	start, end := 0, n-1
+	for start <= end {
+		mid := (start + end) >> 1
+		if s[mid] < t {
+			start = mid + 1
+		} else if s[mid] > t {
+			end = mid - 1
+		} else {
+			idx = mid
+			break
+		}
+	}
+	return
+}
+
+var YesOrNo = map[bool]string{
+	true:  "是",
+	false: "否",
+}