std::function is a template class introduced in C++11 that serves as a general-purpose wrapper for callable entities. It allows you to store, copy, and invoke a variety of callable objects using a uniform interface. Callable objects in C++ include: Free functions Lambda expressions Function objects...
Anonymous Methods Anonymous methods are unnamed code blocks associated with delegate types, consisting only of the delegate keyword, parameter list, and execution body. They enable passing inline logic as a delegate parameter instead of defining a separate named method. Syntax rules for anonymous me...
Inline Functions Higher-order functions in Kotlin can incur runtime overhead due to function objects and closure capture, leading to memory allocation and virtual call costs. Inline functions mitigate this by copying the function's bytecode directly into the call site, eliminating these overheads. F...
Higher-order functions accept other functions as parameters or return them. A classic example is a custom aggregation function on a collection, which takes an initial value and a combining operation to process each element sequentially. fun <T, U> Iterable<T>.aggregate( seed: U, operatio...