cortex-m-rt/examples/cfg-static.rs


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//! using `#[cfg]` on `static` shouldn't cause compile errors

#![deny(unsafe_code)]
#![deny(warnings)]
#![no_main]
#![no_std]

extern crate cortex_m_rt as rt;
extern crate panic_halt;

use rt::{entry, exception};

#[entry]
fn main() -> ! {
    #[cfg(never)]
    static mut COUNT: u32 = 0;

    loop {}
}

#[exception]
fn SysTick() {
    #[cfg(never)]
    static mut FOO: u32 = 0;
}