Go package that provides a context-aware exponential backoff.
b := backoff.New(3, 2, 1*time.Second, 5*time.Second)
// Avoid generating a new context every time Next is called.
ctx := context.Background()
for b.Next(ctx) {
// Do something.
//
// break if successful, continue on failure
}ref; example_test.go
go get github.com/matthewpi/backoff