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package cli

import (

"sync"

)

// ConcurrentUi is a wrapper around a Ui interface (and implements that

// interface) making the underlying Ui concurrency safe.

type ConcurrentUi struct {

Ui Ui

l sync.Mutex

}

func (u *ConcurrentUi) Ask(query string) (string, error) {

u.l.Lock()

defer u.l.Unlock()

return u.Ui.Ask(query)

}

func (u *ConcurrentUi) AskSecret(query string) (string, error) {

u.l.Lock()

defer u.l.Unlock()

return u.Ui.AskSecret(query)

}

func (u *ConcurrentUi) Error(message string) {

u.l.Lock()

defer u.l.Unlock()

u.Ui.Error(message)

}

func (u *ConcurrentUi) Info(message string) {

u.l.Lock()

defer u.l.Unlock()

u.Ui.Info(message)

}

func (u *ConcurrentUi) Output(message string) {

u.l.Lock()

defer u.l.Unlock()

u.Ui.Output(message)

}

func (u *ConcurrentUi) Warn(message string) {

u.l.Lock()

defer u.l.Unlock()

u.Ui.Warn(message)

}