| // Copyright 2014 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. |
| |
| trait MatrixShape {} |
| |
| struct Col<D, C> { |
| data: D, |
| col: C, |
| } |
| |
| trait Collection { fn len(&self) -> usize; } |
| |
| impl<T, M: MatrixShape> Collection for Col<M, usize> { |
| //~^ ERROR type parameter `T` is not constrained |
| fn len(&self) -> usize { |
| unimplemented!() |
| } |
| } |
| |
| fn main() {} |
