Named Parameters in Golang

Named return parameters are the values a function returns, with their names defined in the function signature. By default, Go functions return their values in the defined order.

Go does not support named parameters directly like some other languages, such as Python.

However, you can achieve similar functionality by using a “struct” to define the parameters and then passing an instance of that struct to the function.

With named return parameters, developers can assign names to the returned values, making a function call more explicit and easier to understand.

package main

import (
  "fmt"
)

type CalculateAreaParams struct {
  Width float64
  Height float64
}

func CalculateArea(params CalculateAreaParams) float64 {
  return params.Width * params.Height
}

func main() {
  params := CalculateAreaParams {
    Width: 10.0,
    Height: 21.0,
  }

  area := CalculateArea(params)
  fmt.Println("Area:", area)
}

Output

Area: 210

That’s it.

Krunal Lathiya

Krunal Lathiya is a seasoned Computer Science expert with over eight years in the tech industry. He boasts deep knowledge in Data Science and Machine Learning. Versed in Python, JavaScript, PHP, R, and Golang. Skilled in frameworks like Angular and React and platforms such as Node.js. His expertise spans both front-end and back-end development. His proficiency in the Python language stands as a testament to his versatility and commitment to the craft.