Module token_bucket 

A token bucket implementation.

Structs

ClaimedTokens

A handle to a number of claimed tokens.

InsufficientTokensError

An operation was attempted to reduce the number of tokens, but the token bucket did not have enough tokens.

TokenBucket

A token bucket.

TokenBucketConfig

The refill rate and token max for a TokenBucket.

Enums

BecameEmpty

The token bucket transitioned from “non-empty” to “empty”.

BecameNonEmpty

The token bucket transitioned from “empty” to “non-empty”.

NeverEnoughTokensError

The token bucket will never have the requested number of tokens.

Traits

TokenBucketInstant

Any type implementing this must be represented as a measurement of a monotonically nondecreasing clock.