Execute PLAN_FRONTEND.md

cmd/frontend/format.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"fmt"
+	"strings"
+)
+
+// fmtCount formats a count with a space as the thousands separator.
+func fmtCount(n int64) string {
+	s := fmt.Sprintf("%d", n)
+	if len(s) <= 3 {
+		return s
+	}
+	var b strings.Builder
+	start := len(s) % 3
+	if start > 0 {
+		b.WriteString(s[:start])
+	}
+	for i := start; i < len(s); i += 3 {
+		if i > 0 {
+			b.WriteByte(' ')
+		}
+		b.WriteString(s[i : i+3])
+	}
+	return b.String()
+}