Attempt with a backoff strategy.

Constant always returns the provided duration regardless of the attempt.

generate a *consistent* duration based on the input i within the provided window.

uint64 to prevent negative values.

Explicit an explicit set of delays to use.

Exponential implements expoential backoff.

Jitter set a jitter frame for the strategy.

Maximum sets an upper bound for the strategy.

New backoff.

Strategy strategy to compute how long to wait before retrying message.

Option consumes a strategy and returns a new strategy.

StrategyFunc convience helper to convert a pure function into a backoff strategy.