Swift do-defer-guard https://twitter.com/inamiy/status/1319505960583393280

do-defer-guard.swift

/// Swift do-defer-guard test
func test(pass: Bool) {
    do {
        print("1. start of scope")
        defer { print("3. deferred") }

        guard pass else { return }

        print("2. end of scope")
    }

    print("4. lastly")
}

test(pass: true)  // Runs 1, 2, 3, 4
test(pass: false) // Runs 1, 3