snapshot of https://github.com/uber-go/guide.git (master, 2026-09-15; blobs > 131072B omitted)

src/strconv.md

@@ -0,0 +1,39 @@
+# Prefer strconv over fmt
+
+When converting primitives to/from strings, `strconv` is faster than
+`fmt`.
+
+<table>
+<thead><tr><th>Bad</th><th>Good</th></tr></thead>
+<tbody>
+<tr><td>
+
+```go
+for i := 0; i < b.N; i++ {
+  s := fmt.Sprint(rand.Int())
+}
+```
+
+</td><td>
+
+```go
+for i := 0; i < b.N; i++ {
+  s := strconv.Itoa(rand.Int())
+}
+```
+
+</td></tr>
+<tr><td>
+
+```plain
+BenchmarkFmtSprint-4    143 ns/op    2 allocs/op
+```
+
+</td><td>
+
+```plain
+BenchmarkStrconv-4    64.2 ns/op    1 allocs/op
+```
+
+</td></tr>
+</tbody></table>