//@ compile-flags: --diagnostic-width=60 -Zwrite-long-types-to-disk=yes //@ dont-require-annotations: NOTE type A = (i32, i32, i32, i32); type B = (A, A, A, A); type C = (B, B, B, B); type D = (C, C, C, C); fn foo(x: D) { let [] = x; //~ ERROR expected an array or slice, found `(... //~^ NOTE pattern cannot match with input type `(... } fn main() {}