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Improve error message on remote derive duplicate generics

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This commit is contained in:
David Tolnay
2022-11-27 17:45:26 -08:00
parent c4f67e679f
commit 50354c2d0b
4 changed files with 27 additions and 51 deletions
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test_suite/tests/ui/remote/double_generic.stderr
+2 -49
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@@ -1,52 +1,5 @@
error: expected one of `:`, `@`, or `|`, found `>`
--> tests/ui/remote/double_generic.rs:12:19
|
12 | struct StructDef<U> {
| ^ expected one of `:`, `@`, or `|`
error: expected one of `!`, `)`, `,`, or `::`, found `<`
--> tests/ui/remote/double_generic.rs:12:17
|
11 | #[serde(remote = "remote::StructGeneric<u8>")]
| -
| |
| expected one of `!`, `)`, `,`, or `::`
| help: missing `,`
12 | struct StructDef<U> {
| ^ unexpected token
error: proc-macro derive produced unparseable tokens
--> tests/ui/remote/double_generic.rs:10:10
|
10 | #[derive(Serialize, Deserialize)]
| ^^^^^^^^^
error: expected one of `!`, `+`, `,`, `::`, or `>`, found `<`
--> tests/ui/remote/double_generic.rs:12:17
|
10 | #[derive(Serialize, Deserialize)]
| -----------
| |
| while parsing this item list starting here
| the item list ends here
11 | #[serde(remote = "remote::StructGeneric<u8>")]
| - expected one of `!`, `+`, `,`, `::`, or `>`
12 | struct StructDef<U> {
| ^ unexpected token
|
help: you might have meant to end the type parameters here
|
11 | #[serde(remote = "remote::StructGeneric<u8>">)]
| +
error: proc-macro derive produced unparseable tokens
--> tests/ui/remote/double_generic.rs:10:21
|
10 | #[derive(Serialize, Deserialize)]
| ^^^^^^^^^^^
error[E0412]: cannot find type `StructGeneric` in module `remote`
error: remove generic parameters from this path
--> tests/ui/remote/double_generic.rs:11:18
|
11 | #[serde(remote = "remote::StructGeneric<u8>")]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in `remote`
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^