| // Copyright 2018 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| #![feature(trivial_bounds)] |
| #![allow(unused)] |
| #![deny(trivial_bounds)] |
| |
| struct A where i32: Copy; //~ ERROR |
| |
| trait X<T: Copy> {} |
| |
| trait Y<T>: Copy {} |
| |
| trait Z { |
| type S: Copy; |
| } |
| |
| // Check only the bound the user writes trigger the lint |
| fn trivial_elaboration<T>() where T: X<i32> + Z<S = i32>, i32: Y<T> {} // OK |
| |
| fn global_param() where i32: X<()> {} //~ ERROR |
| |
| // Should only error on the trait bound, not the implicit |
| // projection bound <i32 as Z>::S == i32. |
| fn global_projection() where i32: Z<S = i32> {} //~ ERROR |
| |
| impl A { |
| fn new() -> A { A } |
| } |
| |
| // Lifetime bounds should be linted as well |
| fn global_lifetimes() where i32: 'static, &'static str: 'static {} |
| //~^ ERROR |
| //~| ERROR |
| |
| fn local_lifetimes<'a>() where i32: 'a, &'a str: 'a {} // OK |
| |
| fn global_outlives() where 'static: 'static {} //~ ERROR |
| |
| // Check that each bound is checked individually |
| fn mixed_bounds<T: Copy>() where i32: X<T> + Copy {} //~ ERROR |
| |
| fn main() {} |
