panic与不可恢复错误 #

fn main() {
    panic!("程序崩溃！");
}

fn main() {
    let v = vec![1, 2, 3];
    // v[99];  // panic: index out of bounds
}

# Cargo.toml
[profile.release]
panic = 'abort'  # 直接终止，不展开栈