Usefulness. Having functions return stuff, instead of passing arguments by reference/pointer, is specially useful when you can use the return value in an expression, or argument to another function ...

When high-level programming languages first emerged in the 1950s, code was mainly based on combinations of command-based instructions and mathematical expressions. Because of this, imperative ...

While imperative programming is a longstanding, familiar paradigm within the developer community, many tout declarative programming as a must-have in light of today's increasingly complex software ...

The first programming languages had procedure calls, or subroutine calls instead of function calls. They are declared like a goto label is declared in C/C++, the only difference is that a special ...