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説明
For a C++ function like this:
void example(const char *s);
it should work to call it as:
use std::ffi::CStr;
#[cxx::bridge]
mod ffi {
unsafe extern "C++" {
fn example(s: &CStr);
}
}
fn main() {
let cstr = CStr::from_bytes_with_nul(b"test\0").unwrap();
ffi::example(cstr);
}