As we know that a channel is a medium of communication between concurrently running goroutines so that they can send and receive data to each other. By default a channel is bidirectional but you can create a unidirectional channel also. A channel that can only receive data or a channel that can only send data is the unidirectional channel. The unidirectional channel can also create with the help of make() function as shown below:
// Only to receive data c1:= make(<- chan bool) // Only to send data c2:= make(chan<-bool
<-chan string chan<- string
Converting Bidirectional Channel into the Unidirectional Channel
In Go language, you are allowed to convert a bidirectional channel into the unidirectional channel, or in other words, you can convert a bidirectional channel into a receive-only or send-only channel, but vice versa is not possible. As shown in the below program:
Use of Unidirectional Channel: The unidirectional channel is used to provide the type-safety of the program so, that the program gives less error. Or you can also use a unidirectional channel when you want to create a channel that can only send or receive data.
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Improved By : amit bhaira