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Software Engineering vocabulary · Programming Concepts

Closure

Meaning in software engineering, with examples

nounCommon term

In software engineering, closure means: A function together with access to variables from its surrounding lexical environment, even when it is called from elsewhere.

In Turkish: kapanım

How it is used

Used in JavaScript and functional programming when explaining callbacks, private state and variables captured by nested functions.

Example sentences

  1. The closure keeps access to the request ID after the outer function returns.

  2. Each closure in this list captures a different configuration value.

Common collocations

  • create a closure
  • closure capture
  • lexical closure
  • functionA named block of code that does one job. It can take input values, and it often returns a result to the code that called it.
  • variableA name in a program that stores a value, such as a number, text or list, so that the code can use or change that value later.
  • callbackA function passed to another piece of code so that the receiving code can invoke it when needed.

More terms: Programming Concepts

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