regardless the NavHost what is the meaning of the last part kotlinlang #android

regardless the NavHost, what is the meaning of the...

am414

02/17/2020, 11:48 AM

regardless the NavHost, what is the meaning of the last part''?: return''

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val host: NavHostFragment = supportFragmentManager
    .findFragmentById(R.id.nav_host_fragment_main) as NavHostFragment? ?: return

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