diff options
| -rw-r--r-- | tests/ui/generics/generic-type-less-params-with-defaults.rs | 9 | ||||
| -rw-r--r-- | tests/ui/generics/generic-type-less-params-with-defaults.stderr | 18 |
2 files changed, 26 insertions, 1 deletions
diff --git a/tests/ui/generics/generic-type-less-params-with-defaults.rs b/tests/ui/generics/generic-type-less-params-with-defaults.rs index b0952a26332..d04b1c80d34 100644 --- a/tests/ui/generics/generic-type-less-params-with-defaults.rs +++ b/tests/ui/generics/generic-type-less-params-with-defaults.rs @@ -15,4 +15,13 @@ fn main() { let _x = (1..10).collect::<HashMap>(); //~^ ERROR missing generics for struct `HashMap` //~| SUGGESTION <_, _> + + ().extend::<[(); 0]>({ + fn not_the_extend() { + let _: Vec; + //~^ ERROR missing generics for struct `Vec` + //~| SUGGESTION <T> + } + [] + }); } diff --git a/tests/ui/generics/generic-type-less-params-with-defaults.stderr b/tests/ui/generics/generic-type-less-params-with-defaults.stderr index 43956237e4c..a6771a6d5c8 100644 --- a/tests/ui/generics/generic-type-less-params-with-defaults.stderr +++ b/tests/ui/generics/generic-type-less-params-with-defaults.stderr @@ -30,6 +30,22 @@ help: add missing generic arguments LL | let _x = (1..10).collect::<HashMap<_, _>>(); | ++++++ -error: aborting due to 2 previous errors +error[E0107]: missing generics for struct `Vec` + --> $DIR/generic-type-less-params-with-defaults.rs:21:20 + | +LL | let _: Vec; + | ^^^ expected at least 1 generic argument + | +note: struct defined here, with at least 1 generic parameter: `T` + --> $DIR/generic-type-less-params-with-defaults.rs:5:8 + | +LL | struct Vec<T, A = Heap>( + | ^^^ - +help: add missing generic argument + | +LL | let _: Vec<T>; + | +++ + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0107`. |