micro/config/source/env/watcher.go

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package env
import (
"github.com/micro/go-micro/v2/config/source"
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)
type watcher struct {
exit chan struct{}
}
func (w *watcher) Next() (*source.ChangeSet, error) {
<-w.exit
return nil, source.ErrWatcherStopped
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}
func (w *watcher) Stop() error {
close(w.exit)
return nil
}
func newWatcher() (source.Watcher, error) {
return &watcher{exit: make(chan struct{})}, nil
}