The difference between '=' and ':=' in golang

In golang, "=" means assignment, and ":=" means declaring variables and assigning values.

For example:

// = 使用必须使用先var声明例如：
var a
a=100
//或
var b = 100
//或
var c int = 100

For example:

// := 是声明并赋值，并且系统自动推断类型，不需要var关键字
d := 100

Recommended related articles and tutorials: golang tutorial

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