pool

package
v0.23.2-rc.0 Latest Latest
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Published: Dec 9, 2021 License: Apache-2.0 Imports: 2 Imported by: 4

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Constants

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Variables

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var ErrPoolExhausted = errors.New("pool exhausted")

ErrPoolExhausted is returned if a pool cannot provide the request bytes.

Functions

This section is empty.

Types

type BucketedBytes added in v0.19.0

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

BucketedBytes is a bucketed pool for variably sized byte slices. It can be configured to not allow more than a maximum number of bytes being used at a given time. Every byte slice obtained from the pool must be returned.

func NewBucketedBytes added in v0.19.0

func NewBucketedBytes(minSize, maxSize int, factor float64, maxTotal uint64) (*BucketedBytes, error)

NewBucketedBytes returns a new Bytes with size buckets for minSize to maxSize increasing by the given factor and maximum number of used bytes. No more than maxTotal bytes can be used at any given time unless maxTotal is set to 0.

func (*BucketedBytes) Get added in v0.19.0

func (p *BucketedBytes) Get(sz int) (*[]byte, error)

Get returns a new byte slice that fits the given size.

func (*BucketedBytes) Put added in v0.19.0

func (p *BucketedBytes) Put(b *[]byte)

Put returns a byte slice to the right bucket in the pool.

type Bytes added in v0.19.0

type Bytes interface {
	// Get returns a new byte slices that fits the given size.
	Get(sz int) (*[]byte, error)
	// Put returns a byte slice to the right bucket in the pool.
	Put(b *[]byte)
}

Bytes is a pool of bytes that can be reused.

type NoopBytes added in v0.19.0

type NoopBytes struct{}

NoopBytes is pool that always allocated required slice on heap and ignore puts.

func (NoopBytes) Get added in v0.19.0

func (p NoopBytes) Get(sz int) (*[]byte, error)

func (NoopBytes) Put added in v0.19.0

func (p NoopBytes) Put(*[]byte)

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