👉 Nondisappearing is a concept in computer science and mathematics that describes an object or function that remains unchanged despite changes to its environment. It is often used in the context of algorithms, where it refers to a property that does not change when the algorithm's input changes. In programming terms, "nondisappearing" can be defined as a property that does not cause any side effects on the program, such as changing the state or behavior of objects. This is often used in situations
