ratelimit

package

v1.15.0 Latest Latest Go to latest Published: Aug 26, 2026 License: Apache-2.0 Imports: 2 Imported by: 0

Details

Package ratelimit implements a sliding-window request limiter.

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type Limiter struct {
	// contains filtered or unexported fields
}

Limiter admits at most rpm requests per rolling minute.

func New(rpm int) *Limiter

New returns a limiter admitting rpm requests per minute. rpm <= 0 returns nil, which Allow treats as unlimited.

func (l *Limiter) Allow() (ok bool, retryAfter time.Duration)

Allow reports whether one more request fits in the window and, when it does not, how long the caller should wait before retrying.