The println GoLang Function: A Powerful Asset for Printing Data in Golang

Introduction

The println Golang function is used to print a line of text to the standard output. It is a variadic function, which means that you can pass any number of arguments to it. The println function always appends a new line to the output.

Usage of println

The println function can be used to print strings, numbers, variables, and complex expressions. For example, the following code prints the string “Hello, world!” to the standard output:

fmt.Println("Hello, world!")

The following code prints the number 10 to the standard output:

fmt.Println(10)

The following code prints the variable myVar, which is of type int, to the standard output:

var myVar int = 10
fmt.Println(myVar)

The following code prints the complex expression 10 + 20 * 30 to the standard output:

fmt.Println(10 + 20 * 30)

Examples

Here are some simple examples of using the println function:

fmt.Println("Hello, world!")
fmt.Println(10)
fmt.Println(myVar)
fmt.Println(10 + 20 * 30)

Here are some more complex examples of using the println function:

fmt.Println("The sum of 10 and 20 is", 10 + 20)
fmt.Println("The product of 10 and 20 is", 10 * 20)
fmt.Println("The square root of 100 is", math.Sqrt(100))

Conclusion

The println function is a versatile tool that can be used to print a variety of data types to the standard output. It is a simple and easy-to-use function, and it is a valuable addition to any Golang programmer’s toolkit.

Additional Information

  • The println function is part of the standard library in Golang.
  • The println function is a variadic function, which means that you can pass any number of arguments to it.
  • The println function always appends a new line to the output.

Keywords

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