File: coherence_copy_like_err_fundamental_struct_tuple.rs

package info (click to toggle)
rustc-web 1.78.0%2Bdfsg1-2~deb12u3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,245,420 kB
  • sloc: xml: 147,985; javascript: 18,022; sh: 11,083; python: 10,265; ansic: 6,172; cpp: 5,023; asm: 4,390; makefile: 4,269
file content (20 lines) | stat: -rw-r--r-- 436 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
// Test that we are able to introduce a negative constraint that
// `MyType: !MyTrait` along with other "fundamental" wrappers.

//@ aux-build:coherence_copy_like_lib.rs


extern crate coherence_copy_like_lib as lib;

struct MyType { x: i32 }

trait MyTrait { fn foo() {} }

impl<T: lib::MyCopy> MyTrait for T { }

// Tuples are not fundamental.
impl MyTrait for lib::MyFundamentalStruct<(MyType,)> { }
//~^ ERROR E0119


fn main() { }