rust/tests/run-make/coverage/dead_code.rs

#![allow(unused_assignments, unused_variables)]

pub fn unused_pub_fn_not_in_library() {
    // 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;
    }
}

fn unused_fn() {
    // 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;
    }
}

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;
    }
}