Fluxo de Controle

How if, for, and switch fit Go's expression-first style.

Loops, conditionals, and defer in everyday Go code.

Index/value loops, ranging channels, maps, and strings.

Expression switches, type switches, and fallthrough rules.

Defer stack ordering, panic propagation, and middleware recovery.

Exiting nested loops and labeled break/continue idioms.

defer/recover patterns for panic-safe request handling.

Readable flow-control habits and when to refactor nested logic.