error: expected one of `,`, `:`, `=`, or `>`, found `N`
  --> $DIR/const-generics.rs:1:15
   |
LL | fn foo<consta N: usize>(_arr: [i32; N]) {}
   |               ^ expected one of `,`, `:`, `=`, or `>`
   |
help: there is a keyword `const` with a similar name
   |
LL | fn foo<const N: usize>(_arr: [i32; N]) {}
   |        ~~~~~

error: aborting due to 1 previous error