Difference between := and = operators in Go

Question

What is the difference between the = and := operators, and what are the use cases for them? They both seem to be for an assignment?

Answer 1

“:=” use to do declaration and initilization at the same time, following is an example.

Usage of “=”

var i int

i = 10

https://play.golang.org/p/RU88ty_SGa

Usage of “:=”

i := 10

https://play.golang.org/p/XBdjBh-DQB