Function cstring_destructor

src/exec.rs:20–22

(raw: *mut c_void)

}

unsafe extern "C" fn cstring_destructor(raw: *mut c_void) {
    drop(CString::from_raw(raw.cast::<c_char>()));
}

impl Statement {
    pub fn prepare(db: *mut sqlite3, sql: &str) -> Result<Self, Box<dyn Error>> {