#![allow(unused_assignments, unused_variables)] fn main() { // Initialize test constants in a way that cannot be determined at compile time, to ensure // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from // dependent conditions. let is_true = std::env::args().len() == 1; let mut countdown = 0; if is_true { countdown = 10 ; } else // Note coverage region difference without semicolon { countdown = 100 } if is_true { countdown = 10 ; } else { countdown = 100 ; } }