src/test/run-pass/extern/extern-pass-u32.rs

// run-pass
// ignore-wasm32-bare no libc for ffi testing

// Test a function that takes/returns a u32.


#[link(name = "rust_test_helpers", kind = "static")]
extern {
    pub fn rust_dbg_extern_identity_u32(v: u32) -> u32;
}

pub fn main() {
    unsafe {
        assert_eq!(22, rust_dbg_extern_identity_u32(22));
    }
}