A software failure due to an invalid string of characters is common in any software system, but it is a critical one in an embedded software written in C language because it frequently manipulates ...

Depending on the language, there can be more to it that, especially if you get into closures and currying. For example, in Python, the map function takes a function as an argument.

You’re writing in C/C++, using a library of functions with a fairly consistent API. There is no “Arduino language” and your “.ino” files are three lines away from being standard C++.