mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-17 19:14:16 +00:00
18 lines
295 B
Rust
18 lines
295 B
Rust
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() {}
|