See reflection for calling and declaring functions by strings.

On the other hand these attacks can only call preexisting functions.

The rule of separation-of-side-effects is that methods can call functions, but not vice versa.

By reading/writing variables, calling functions and subscribing to events, any device can be controlled.

For two variables, these are often called bivariate generating functions.

The function will usually call other functions to help it perform its job.

For example, many languages use positional arguments when calling functions or methods.

This code was intended to call functions and 20 times.

Many computer languages provide a mechanism to call functions provided by libraries such as in a .

Still, for mainstream consumers, these aren't what you would call desperately needed functions.