initial

README.md

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+# patterns
+
+snippet repository.  PRs welcome.  doesn't need to run/compile, but cool if
+it does.

go/timer.go

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+package main
+
+// from https://www.youtube.com/watch?v=yeetIgNeIkc&t=1064s
+
+import (
+	"log"
+	"time"
+)
+
+func main() {
+	stop := StartTimer("main")
+	time.Sleep(1 * time.Second)
+	defer stop()
+}
+
+func StartTimer(name string) func() {
+	t := time.Now()
+	log.Println(name, "started")
+	return func() {
+		d := time.Now().Sub(t)
+		log.Println(name, "took", d)
+	}
+}