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  1. functional programming - What is a 'Closure'? - Stack Overflow

    Aug 31, 2008 · I asked a question about Currying and closures were mentioned. What is a closure? How does it relate to currying?

  2. What is a practical use for a closure in JavaScript?

    Apr 28, 2010 · A closure can actually be any function within another function, and its key characteristic is that it has access to the scope of the parent function including it's variables and methods.

  3. function - How do JavaScript closures work? - Stack Overflow

    Sep 21, 2008 · A closure is a pairing of: A function and A reference to that function's outer scope (lexical environment) A lexical environment is part of every execution context (stack frame) and is a map …

  4. What is the difference between a 'closure' and a 'lambda'?

    And here comes the closure part: The closure of a lambda expression is this particular set of symbols defined in the outer context (environment) that give values to the free symbols in this expression, …

  5. Type hinting – Difference between `Closure` and `callable`

    But I honestly like the Closure + Closure::fromCallable approach, because string or array as callable has always been weird. Will B. Over a year ago @RoboRobok one reason for requiring only Closure …

  6. What is the exact definition of a closure? - Stack Overflow

    2 A closure is an implementation technique for representing procedures/functions with local state. One way to implement closures is described in SICP. I will present the gist of it, anyway. All expressions, …

  7. What are 'closures' in C#? - Stack Overflow

    A closure in C# takes the form of an in-line delegate/ anonymous method. A closure is attached to its parent method meaning that variables defined in parent's method body can be referenced from within …

  8. oop - Closures: why are they so useful? - Stack Overflow

    Aug 20, 2009 · A closure is just one function that has access to a bunch of state, but a class has many methods which share access to the same state. Many languages (e.g. Java, Python, etc.) have local …

  9. Exactly what is the difference between a "closure" and a "block"?

    The main difference is that a block simply groups instructions together (for example the body of a while statement), while a closure is a variable that contains some code that can be executed. If you have a …

  10. What is a closure? Does java have closures? [duplicate]

    Sep 27, 2010 · A closure is a first class function with bound variables. Roughly that means that: You can pass the closure as a parameter to other functions The closure stores the value of some variables …