IMO the example you provided is an anti-pattern. There are better ways to avoid deeply nested code, but it depends on the programming language. I try to make e

IMO the example you provided is an anti-pattern. There are better ways to avoid deeply nested code, but it depends on the programming language. I try to make each method/function to have a single entry and a single exit. Cond, case, pattern maching in function heads, decision tables, and syntactic sugar in some PLs, allow you to flatten the nested code / branchinbg / conditionals.