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Suggest new type param on single char ident

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Suggest new type parameter on single char uppercase ident even if it
doesn't appear in a field's type parameter.

Address comment in #72641.
This commit is contained in:
Esteban Küber 2020-06-13 12:08:32 -07:00
parent 4606168dd5
commit af45d8a5bb
4 changed files with 61 additions and 15 deletions
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11
src/test/ui/associated-types/associated-types-eq-1.stderr
View file

@ -4,7 +4,16 @@ error[E0412]: cannot find type `A` in this scope
LL | fn foo2<I: Foo>(x: I) {
| - similarly named type parameter `I` defined here
LL | let _: A = x.boo();
| ^ help: a type parameter with a similar name exists: `I`
| ^
|
help: a type parameter with a similar name exists
|
LL | let _: I = x.boo();
| ^
help: you might be missing a type parameter
|
LL | fn foo2<I: Foo, A>(x: I) {
| ^^^
error: aborting due to previous error

8
src/test/ui/suggestions/type-not-found-in-adt-field.rs
View file

@ -1,5 +1,9 @@
struct S {
m: Vec<Hashmap<String, ()>>, //~ ERROR cannot find type `Hashmap` in this scope
struct Struct {
m: Vec<Someunknownname<String, ()>>, //~ ERROR cannot find type `Someunknownname` in this scope
//~^ NOTE not found in this scope
}
struct OtherStruct { //~ HELP you might be missing a type parameter
m: K, //~ ERROR cannot find type `K` in this scope
//~^ NOTE not found in this scope
}
fn main() {}

16
src/test/ui/suggestions/type-not-found-in-adt-field.stderr
View file

@ -1,9 +1,17 @@
error[E0412]: cannot find type `Hashmap` in this scope
error[E0412]: cannot find type `Someunknownname` in this scope
--> $DIR/type-not-found-in-adt-field.rs:2:12
|
LL | m: Vec<Hashmap<String, ()>>,
| ^^^^^^^ not found in this scope
LL | m: Vec<Someunknownname<String, ()>>,
| ^^^^^^^^^^^^^^^ not found in this scope
error: aborting due to previous error
error[E0412]: cannot find type `K` in this scope
--> $DIR/type-not-found-in-adt-field.rs:6:8
|
LL | struct OtherStruct {
| - help: you might be missing a type parameter: `<K>`
LL | m: K,
| ^ not found in this scope
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0412`.