[go-nuts] Can I be certain that the default branch of a select will never be selected when case channels are always be writable / readable?

[ranqus]

Please read the title, and here is an example:

testChannel := make(chan struct{}, 1)

for {
    select {
        case testChannel <- struct{}{}:
            fmt.Println("Test Channel writen")
            <-testChannel

        default:
            panic("Should never panic?")
    }
}

Can I assume that the code above will never panic? 

Thank you!

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