mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 06:51:58 +00:00
Provide local extern function arg names
This commit is contained in:
parent
b38a6d373c
commit
e5c159cf90
@ -160,9 +160,13 @@ pub fn provide(providers: &mut Providers) {
|
||||
} else if let Node::TraitItem(&TraitItem {
|
||||
kind: TraitItemKind::Fn(_, TraitFn::Required(idents)),
|
||||
..
|
||||
})
|
||||
| Node::ForeignItem(&ForeignItem {
|
||||
kind: ForeignItemKind::Fn(_, idents, _),
|
||||
..
|
||||
}) = hir.get(hir_id)
|
||||
{
|
||||
tcx.arena.alloc_slice(idents)
|
||||
idents
|
||||
} else {
|
||||
span_bug!(hir.span(hir_id), "fn_arg_names: unexpected item {:?}", id);
|
||||
}
|
||||
|
9
src/test/ui/argument-suggestions/extern-fn-arg-names.rs
Normal file
9
src/test/ui/argument-suggestions/extern-fn-arg-names.rs
Normal file
@ -0,0 +1,9 @@
|
||||
extern "Rust" {
|
||||
fn dstfn(src: i32, dst: err);
|
||||
//~^ ERROR cannot find type `err` in this scope
|
||||
}
|
||||
|
||||
fn main() {
|
||||
dstfn(1);
|
||||
//~^ ERROR this function takes 2 arguments but 1 argument was supplied
|
||||
}
|
26
src/test/ui/argument-suggestions/extern-fn-arg-names.stderr
Normal file
26
src/test/ui/argument-suggestions/extern-fn-arg-names.stderr
Normal file
@ -0,0 +1,26 @@
|
||||
error[E0412]: cannot find type `err` in this scope
|
||||
--> $DIR/extern-fn-arg-names.rs:2:29
|
||||
|
|
||||
LL | fn dstfn(src: i32, dst: err);
|
||||
| ^^^ not found in this scope
|
||||
|
||||
error[E0061]: this function takes 2 arguments but 1 argument was supplied
|
||||
--> $DIR/extern-fn-arg-names.rs:7:5
|
||||
|
|
||||
LL | dstfn(1);
|
||||
| ^^^^^--- an argument is missing
|
||||
|
|
||||
note: function defined here
|
||||
--> $DIR/extern-fn-arg-names.rs:2:8
|
||||
|
|
||||
LL | fn dstfn(src: i32, dst: err);
|
||||
| ^^^^^
|
||||
help: provide the argument
|
||||
|
|
||||
LL | dstfn(1, /* dst */);
|
||||
| ~~~~~~~~~~~~~~
|
||||
|
||||
error: aborting due to 2 previous errors
|
||||
|
||||
Some errors have detailed explanations: E0061, E0412.
|
||||
For more information about an error, try `rustc --explain E0061`.
|
Loading…
Reference in New Issue
Block a user