1 error[E0109]: const arguments are not allowed on builtin type `usize`
2 --> $DIR/usize-generic-argument-parent.rs:2:18
4 LL | let x: usize<foo>;
5 | ----- ^^^ const argument not allowed
7 | not allowed on builtin type `usize`
9 help: primitive type `usize` doesn't have generic parameters
11 LL - let x: usize<foo>;
15 error: aborting due to previous error
17 For more information about this error, try `rustc --explain E0109`.