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task.go
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task.go
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// SPDX-License-Identifier: Apache-2.0
// Copyright Authors of Cilium
package workerpool
import (
"context"
"fmt"
)
// Task is a unit of work.
type Task interface {
// String returns the task identifier.
fmt.Stringer
// Err returns the error resulting from processing the
// unit of work.
Err() error
}
type task struct {
run func(context.Context) error
id string
}
type taskResult struct {
err error
id string
}
// Ensure that taskResult implements the Task interface.
var _ Task = &taskResult{}
// String implements fmt.Stringer for taskResult.
func (t *taskResult) String() string {
return t.id
}
// Err returns the error resulting from processing the taskResult. It ensures
// that the taskResult struct implements the Task interface.
func (t *taskResult) Err() error {
return t.err
}