Imperative paradigm

In the imperative paradigm, a program is a sequence of steps that mutate state to produce a result.

example:

let mut sum = 0;
for i in 1..11 {
    sum += i;
}
println!("{sum}");

See also

• Functional Programming programs are trees of expressions, not sequences of steps — the contrasting paradigm: describes what to compute via expression trees, no mutable state
• h(x) = g(f(x)) — Composing Functions With ∘ and Its Reverse — function composition is the mechanism functional programming uses instead of sequential steps