1 error[E0107]: this struct takes at most 2 generic arguments but 3 generic arguments were supplied
2 --> $DIR/generic-type-more-params-with-defaults.rs:9:12
4 LL | let _: Vec<isize, Heap, bool>;
5 | ^^^ ---- help: remove this generic argument
7 | expected at most 2 generic arguments
9 note: struct defined here, with at most 2 generic parameters: `T`, `A`
10 --> $DIR/generic-type-more-params-with-defaults.rs:5:8
12 LL | struct Vec<T, A = Heap>(
15 error: aborting due to previous error
17 For more information about this error, try `rustc --explain E0107`.