error[E0530]: let bindings cannot shadow const parameters --> $DIR/issue-85348.rs:6:17 | LL | impl ArrayWindowsExample { | - the const parameter `N` is defined here ... LL | let mut N; | ^ cannot be named the same as a const parameter error[E0412]: cannot find type `ArrayWindowsExample` in this scope --> $DIR/issue-85348.rs:3:22 | LL | impl ArrayWindowsExample { | ^^^^^^^^^^^^^^^^^^^ not found in this scope error[E0282]: type annotations needed --> $DIR/issue-85348.rs:6:13 | LL | let mut N; | ^^^^^ | help: consider giving `N` an explicit type | LL | let mut N: /* Type */; | ++++++++++++ error: aborting due to 3 previous errors Some errors have detailed explanations: E0282, E0412, E0530. For more information about an error, try `rustc --explain E0282`.