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2025.1EAP
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Because GoLand 2025.1 is still in development, this documentation may not be entirely accurate and is subject to change.
  1. Write and edit source code
  2. Code refactoring
  3. Extract/Introduce refactorings
  4. Extract/Introduce variable

Extract/Introduce variable

Last modified: 23 October 2024

Refactor | Extract | Extract Variable

CtrlAlt0V

If you come across an expression that is hard to understand, or it is duplicated in several places throughout your code, the Extract Variable refactoring CtrlAlt0V can help you deal with those problems placing the result of such expression or its part into a separate variable that is less complex and easier to understand. Plus, it reduces the code duplication.

You can use the Introduce Variable refactoring to extract variadic arguments into a new slice variable.

Extract a variable

  1. In the editor, select an expression or its part that you want to extract. You can also place the caret within the expression, in this case GoLand offers you a list of potential code selections.

  2. Press CtrlAlt0V or go to Refactor | Extract/Introduce | Variable in the main menu.

    GoLand also displays the Gear icon next to a variable that you can use to configure more options.

    If GoLand finds more than one occurrence, it lets you specify a scope and extract just a part of the found occurrences and not just all of them.

  3. Select a name suggested in the popup or type your own and press Enter.