rust/tests/compile-fail/needless_update.rs
2015-10-29 15:50:35 +09:00

18 lines
314 B
Rust

#![feature(plugin)]
#![plugin(clippy)]
#![deny(needless_update)]
#![allow(no_effect)]
struct S {
pub a: i32,
pub b: i32,
}
fn main() {
let base = S { a: 0, b: 0 };
S { ..base }; // no error
S { a: 1, ..base }; // no error
S { a: 1, b: 1, ..base }; //~ERROR struct update has no effect
}