What is the difference between a closure and a lambda? And a closure, quoting Scott's Programming Language Pragmatics is explained as: … creating an explicit representation of a referencing environment (generally the one in which the subroutine would execute if called at the present time) and bundling it together with a reference to the subroutine … is referred to as a closure
sql - What is a database closure? - Stack Overflow Closure(X, F) 1 INITIALIZE V:= X 2 WHILE there is a Y -> Z in F such that: - Y is contained in V and - Z is not contained in V 3 DO add Z to V 4 RETURN V It can be shown that the two definition coincide A database closure might refer to the closure of all of the database attributes
closures - Captured variable in a loop in C# - Stack Overflow It verified that it outputs five 10s till today on C# 6 0 (VS 2015) I doubt that this behavior of closure variables is a candidate for change Captured variables are always evaluated when the delegate is actually invoked, not when the variables were captured –
c# - When to use closure? - Stack Overflow The closure implicitly carries its environment with it; you seamlessly refer to that environment from inside the executing part (the lambda) Without closures you must make that environment explicit That should explain to you when you would use closures: all the time Most instances where a class is instantiated to carry with it some state
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 the anonymous method Example: public Person FindById(int id) { return this Find(delegate(Person p) { return (p Id == id); }); }