{"id":127,"date":"2025-04-02T04:07:40","date_gmt":"2025-04-02T04:07:40","guid":{"rendered":"https:\/\/techkubo.com\/go\/?p=127"},"modified":"2025-05-26T18:01:36","modified_gmt":"2025-05-26T18:01:36","slug":"go-function-parameters-and-arguments","status":"publish","type":"post","link":"https:\/\/techkubo.com\/go\/go-function-parameters-and-arguments\/","title":{"rendered":"Go Function Parameters and Arguments"},"content":{"rendered":"\n

Functions in Go <\/strong>can accept data in the form of parameters. These parameters act as variables within the function and allow data to be passed and processed. When you invoke a function and provide values, these are referred to as arguments.<\/p>\n\n\n\n

Parameters and their types are specified within parentheses ()<\/code> following the function name. Multiple parameters should be separated with commas.<\/p>\n\n\n\n

Syntax for Parameters<\/h2>\n\n\n\n
func FunctionName(param1 type, param2 type, param3 type) {\n  \/\/ code to execute\n}\n<\/pre><\/div>\n\n\n\n
<\/p>\n\n\n\n
Example 1: Function with a Single Parameter<\/h2>\n\n\n\n
package main\nimport ("fmt")\n\nfunc motorcycleBrand(brand string) {\n  fmt.Println("This motorcycle brand is", brand)\n}\n\nfunc main() {\n  motorcycleBrand("Ducati")\n  motorcycleBrand("Yamaha")\n  motorcycleBrand("Honda")\n}\n<\/pre><\/div>\n\n\n\n
<\/p>\n\n\n\n
Output<\/strong>:<\/p>\n\n\n\n
This motorcycle brand is Ducati\nThis motorcycle brand is Yamaha\nThis motorcycle brand is Honda\n<\/pre><\/div>\n\n\n\n
<\/p>\n\n\n\n
Explanation<\/strong>:<\/p>\n\n\n\n
    \n
  • motorcycleBrand<\/code> is a function with one parameter, brand<\/code>.<\/li>\n\n\n\n
  • When the function is called (e.g., motorcycleBrand(\"Ducati\")<\/code>), the argument \"Ducati\"<\/code> is passed into the brand<\/code> parameter.<\/li>\n<\/ul>\n\n\n\n
    Difference Between Parameters and Arguments<\/h2>\n\n\n\n
      \n
    • Parameters<\/strong>: Declared in the function definition (e.g., brand<\/code> in the example above).<\/li>\n\n\n\n
    • Arguments<\/strong>: The actual values passed to the function when called (e.g., \"Ducati\"<\/code>, \"Yamaha\"<\/code>, \"Honda\"<\/code>).<\/li>\n<\/ul>\n\n\n\n
      Example 2: Function with Multiple Parameters<\/h2>\n\n\n\n
      Functions can accept multiple parameters of different types. This example includes two parameters: brand<\/code> (a string<\/code>) and rating<\/code> (an int<\/code>).<\/p>\n\n\n\n
      package main\nimport ("fmt")\n\nfunc motorcycleInfo(brand string, rating int) {\n  fmt.Println("The motorcycle brand", brand, "has a rating of", rating, "stars.")\n}\n\nfunc main() {\n  motorcycleInfo("Suzuki", 5)\n  motorcycleInfo("Honda", 4)\n  motorcycleInfo("Yamaha", 3)\n}\n<\/pre><\/div>\n\n\n\n
      <\/p>\n\n\n\n
      Output<\/strong>:<\/p>\n\n\n\n
      The motorcycle brand Suzuki has a rating of 5 stars.\nThe motorcycle brand Honda has a rating of 4 stars.\nThe motorcycle brand Yamaha has a rating of 3 stars.\n<\/pre><\/div>\n\n\n\n
      <\/p>\n\n\n\n
      Notes on Multiple Parameters<\/h4>\n\n\n\n
        \n
      • The number of arguments in the function call must match the number of parameters in the function definition.<\/li>\n\n\n\n
      • Arguments must be passed in the same order<\/strong> as the parameters are declared.<\/li>\n<\/ul>\n\n\n\n
        <\/p>\n","protected":false},"excerpt":{"rendered":"
        Functions in Go can accept data in the form of parameters. 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