Why channel closed automatically

What happens when a channel is closed?

Closing a channel indicates that no more values will be sent on it. This can be useful to communicate completion to the channel’s receivers.

What happens if you don’t close a channel?

It’s OK to leave a Go channel open forever and never close it. When the channel is no longer used, it will be garbage collected. Note that it is only necessary to close a channel if the receiver is looking for a close.

Who should close the channel?

The Channel Closing Principle



One general principle of using Go channels is don’t close a channel from the receiver side and don’t close a channel if the channel has multiple concurrent senders. In other words, we should only close a channel in a sender goroutine if the sender is the only sender of the channel.

Can you read from a closed channel?

The value read from a closed channel will be the zero value of the channel’s type. For example, if the channel is an int channel, then the value received from a closed channel will be 0 . The for range form of the for loop can be used to receive values from a channel until it is closed.

Why my YouTube channel is closed?

Reasons channels or accounts can be terminated: Repeated violations of the Community Guidelines or Terms of Service across any form of content (like repeatedly posting abusive, hateful, and/or harassing videos or comments) A single case of severe abuse (such as predatory behavior, spam, or pornography)

How do I reopen a closed YouTube channel?

Quote from the video:
Once you reach this page click on account issue click on continue click on reopen account and then click on contact. Us. After that type in your YouTube username you want to reopen.

Can I delete YouTube channel?

Delete your channel permanently



Closing your YouTube channel will permanently delete your content, including videos, comments, messages, playlists, and history. Note that you can’t currently delete a channel on mobile devices. If you permanently delete your channel intentionally, you may not be able to recover it.

How do I make my YouTube channel private?

Once signed in to your YouTube account, click on the channel name you want to make private. In the channel Settings, under Privacy, there is an option to make the channel videos private. Select the box and save the changes.

What is Chan Go?

In Go language, a channel is created using chan keyword and it can only transfer data of the same type, different types of data are not allowed to transport from the same channel. Syntax: var Channel_name chan Type. You can also create a channel using make() function using a shorthand declaration.

What value do you see when you read from a closed channel?

zero value

When channel is closed, value read by the goroutine is zero value of the data type of the channel. In this case, since channel is transporting int data type, it will be 0 as we can see from the result. Closing the channel does not block the current goroutine unlike reading or writing a value to the channel.

What will happen if you try to close a nil channel?

A send to a nil channel blocks forever. A receive from a nil channel blocks forever. A send to a closed channel panics. A receive from a closed channel returns the zero value immediately.

What happens if you send or receive on a nil channel it will block forever?

If the channel is unbuffered, then a send will block until another goroutine is ready to receive. If the channel is nil then the sender and receiver have no reference to each other; they are both blocked waiting on independent channels and will never unblock.