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Reservation

Struct Reservation 

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pub struct Reservation { /* private fields */ }
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A short-lived capability representing a pending resource consumption.

Dropping a Reservation without calling commit is equivalent to committing with the full reserved amount

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impl Reservation

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pub fn commit(self, used: u64)

Commit actual usage.

  • If used < reserved — unused capacity is returned to the pool.
  • If used > reserved — the excess is deducted from the token’s remaining allocation as “debt”.

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fn into(self)