mirror of
https://github.com/golang/go
synced 2024-11-14 20:20:30 -07:00
25 lines
451 B
Go
25 lines
451 B
Go
|
// Copyright 2021 The Go Authors. All rights reserved.
|
||
|
// Use of this source code is governed by a BSD-style
|
||
|
// license that can be found in the LICENSE file.
|
||
|
|
||
|
package a
|
||
|
|
||
|
import "sync"
|
||
|
|
||
|
type Loader[K comparable, R any] struct {
|
||
|
batch *LoaderBatch[K, R]
|
||
|
}
|
||
|
|
||
|
func (l *Loader[K, R]) Load() error {
|
||
|
l.batch.f()
|
||
|
return nil
|
||
|
}
|
||
|
|
||
|
type LoaderBatch[K comparable, R any] struct {
|
||
|
once *sync.Once
|
||
|
}
|
||
|
|
||
|
func (b *LoaderBatch[K, R]) f() {
|
||
|
b.once.Do(func() {})
|
||
|
}
|