How to Achieve the Equivalent of C \'s `using` Namespace in Go?

Equivalent of C 's using Namespace in Go

C 's using directive allows developers to use specific objects from a namespace without explicitly specifying the namespace name. In Go, there is no direct equivalent for using namespace declarations. However, there are two ways to achieve a similar result:

Partial Package Import

To import a partial package in Go, a period (.) can be used before the package name when importing. For example, to import the platform type from the common package, you can use the following statement:

<code class="go">import (
  . "common"
)</code>

Declare short variables

Go also supports the ability to declare short variables for functions, types, and constants . To check this, a short variable can be assigned to the object to be used:

<code class="go">import (
    "fmt"
    "strings"
)

var (
    Sprintf = fmt.Sprintf
    HasPrefix = strings.HasPrefix
)</code>

While partial package import provides a more readable type, it is less efficient because it prevents the compiler from including function calls. On the other hand, using short variables imports package names into the file scope, something using in C does not.

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