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init sync pool when create #15

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Merged
dashjay merged 2 commits into from
Oct 10, 2025
Merged

init sync pool when create #15

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442f9dc
init sync pool when create
kevinzhao-a11y Oct 10, 2025
50ad886
fix
kevinzhao-a11y Oct 10, 2025
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9 changes: 4 additions & 5 deletions pkg/xsync/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -343,19 +343,18 @@ func (s *SyncMap[K, V]) ToMap() map[K]V
ToMap returns a copy of the map as a regular map.

<a name="SyncPool"></a>
## type [SyncPool](<https://github.com/dashjay/xiter/blob/main/pkg/xsync/sync_pool.go#L5-L9>)
## type [SyncPool](<https://github.com/dashjay/xiter/blob/main/pkg/xsync/sync_pool.go#L5-L7>)



```go
type SyncPool[T any] struct {
New func() T
// contains filtered or unexported fields
}
```

<a name="NewSyncPool"></a>
### func [NewSyncPool](<https://github.com/dashjay/xiter/blob/main/pkg/xsync/sync_pool.go#L12>)
### func [NewSyncPool](<https://github.com/dashjay/xiter/blob/main/pkg/xsync/sync_pool.go#L10>)

```go
func NewSyncPool[T any](new func() T) *SyncPool[T]
Expand All @@ -364,7 +363,7 @@ func NewSyncPool[T any](new func() T) *SyncPool[T]
NewSyncPool creates a new SyncPool with specified init function

<a name="SyncPool[T].Get"></a>
### func \(\*SyncPool\[T\]\) [Get](<https://github.com/dashjay/xiter/blob/main/pkg/xsync/sync_pool.go#L30>)
### func \(\*SyncPool\[T\]\) [Get](<https://github.com/dashjay/xiter/blob/main/pkg/xsync/sync_pool.go#L20>)

```go
func (s *SyncPool[T]) Get() T
Expand All @@ -373,7 +372,7 @@ func (s *SyncPool[T]) Get() T
Get wraps sync.Pool.Get.

<a name="SyncPool[T].Put"></a>
### func \(\*SyncPool\[T\]\) [Put](<https://github.com/dashjay/xiter/blob/main/pkg/xsync/sync_pool.go#L36>)
### func \(\*SyncPool\[T\]\) [Put](<https://github.com/dashjay/xiter/blob/main/pkg/xsync/sync_pool.go#L25>)

```go
func (s *SyncPool[T]) Put(x T)
Expand Down
18 changes: 3 additions & 15 deletions pkg/xsync/sync_pool.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,37 +3,25 @@ package xsync
import "sync"

type SyncPool[T any] struct {
New func() T
pool sync.Pool
once sync.Once
}

// NewSyncPool creates a new SyncPool with specified init function
func NewSyncPool[T any](new func() T) *SyncPool[T] {
sp := &SyncPool[T]{
New: new,
pool: sync.Pool{New: func() interface{} {
return new()
}},
}
sp.init()
return sp
}

// init initializes the SyncPool
func (s *SyncPool[T]) init() {
s.once.Do(func() {
s.pool.New = func() interface{} {
return s.New()
}
})
}

// Get wraps sync.Pool.Get.
func (s *SyncPool[T]) Get() T {
s.init()
return s.pool.Get().(T)
}

// Put wraps sync.Pool.Put.
func (s *SyncPool[T]) Put(x T) {
s.init()
s.pool.Put(x)
}