what is the “less than followed by dash” operator in go language?

Question

What is the <- operator in go language? Have seen this in many code snippets related to Go but what is the meaning of it?

Answer 1

Receive operator

For an operand ch of channel type, the value of the receive operation <-ch is the value received from the channel ch.

It receives a value from a channel. See http://golang.org/ref/spec#Receive_operator