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rust/src/test/ui/parser/doc-after-struct-field.rs

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Specific error message for missplaced doc comments Identify when documetation comments have been missplaced in the following places: * After a struct element: ```rust // file.rs: struct X { a: u8 /** document a */, } ``` ```bash $ rustc file.rs file.rs:2:11: 2:28 error: found documentation comment that doesn't document anything file.rs:2 a: u8 /** document a */, ^~~~~~~~~~~~~~~~~ file.rs:2:11: 2:28 help: doc comments must come before what they document, maybe a comment was intended with `//`? ``` * As the last line of a struct: ```rust // file.rs: struct X { a: u8, /// incorrect documentation } ``` ```bash $ rustc file.rs file.rs:3:5: 3:27 error: found a documentation comment that doesn't document anything file.rs:3 /// incorrect documentation ^~~~~~~~~~~~~~~~~~~~~~ file.rs:3:5: 3:27 help: doc comments must come before what they document, maybe a comment was intended with `//`? ``` * As the last line of a `fn`: ```rust // file.rs: fn main() { let x = 1; /// incorrect documentation } ``` ```bash $ rustc file.rs file.rs:3:5: 3:27 error: found a documentation comment that doesn't document anything file.rs:3 /// incorrect documentation ^~~~~~~~~~~~~~~~~~~~~~ file.rs:3:5: 3:27 help: doc comments must come before what they document, maybe a comment was intended with `//`? ``` Fix #27429, #30322
2016-05-27 19:05:22 -07:00
struct X {
a: u8 /** document a */,
//~^ ERROR found a documentation comment that doesn't document anything
//~| HELP maybe a comment was intended
}
Consume trailing doc comments to avoid parse errors
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struct Y {
a: u8 /// document a
//~^ ERROR found a documentation comment that doesn't document anything
//~| HELP maybe a comment was intended
}
Specific error message for missplaced doc comments Identify when documetation comments have been missplaced in the following places: * After a struct element: ```rust // file.rs: struct X { a: u8 /** document a */, } ``` ```bash $ rustc file.rs file.rs:2:11: 2:28 error: found documentation comment that doesn't document anything file.rs:2 a: u8 /** document a */, ^~~~~~~~~~~~~~~~~ file.rs:2:11: 2:28 help: doc comments must come before what they document, maybe a comment was intended with `//`? ``` * As the last line of a struct: ```rust // file.rs: struct X { a: u8, /// incorrect documentation } ``` ```bash $ rustc file.rs file.rs:3:5: 3:27 error: found a documentation comment that doesn't document anything file.rs:3 /// incorrect documentation ^~~~~~~~~~~~~~~~~~~~~~ file.rs:3:5: 3:27 help: doc comments must come before what they document, maybe a comment was intended with `//`? ``` * As the last line of a `fn`: ```rust // file.rs: fn main() { let x = 1; /// incorrect documentation } ``` ```bash $ rustc file.rs file.rs:3:5: 3:27 error: found a documentation comment that doesn't document anything file.rs:3 /// incorrect documentation ^~~~~~~~~~~~~~~~~~~~~~ file.rs:3:5: 3:27 help: doc comments must come before what they document, maybe a comment was intended with `//`? ``` Fix #27429, #30322
2016-05-27 19:05:22 -07:00
fn main() {
Consume trailing doc comments to avoid parse errors
2017-11-24 07:34:24 -08:00
let x = X { a: 1 };
let y = Y { a: 1 };
Specific error message for missplaced doc comments Identify when documetation comments have been missplaced in the following places: * After a struct element: ```rust // file.rs: struct X { a: u8 /** document a */, } ``` ```bash $ rustc file.rs file.rs:2:11: 2:28 error: found documentation comment that doesn't document anything file.rs:2 a: u8 /** document a */, ^~~~~~~~~~~~~~~~~ file.rs:2:11: 2:28 help: doc comments must come before what they document, maybe a comment was intended with `//`? ``` * As the last line of a struct: ```rust // file.rs: struct X { a: u8, /// incorrect documentation } ``` ```bash $ rustc file.rs file.rs:3:5: 3:27 error: found a documentation comment that doesn't document anything file.rs:3 /// incorrect documentation ^~~~~~~~~~~~~~~~~~~~~~ file.rs:3:5: 3:27 help: doc comments must come before what they document, maybe a comment was intended with `//`? ``` * As the last line of a `fn`: ```rust // file.rs: fn main() { let x = 1; /// incorrect documentation } ``` ```bash $ rustc file.rs file.rs:3:5: 3:27 error: found a documentation comment that doesn't document anything file.rs:3 /// incorrect documentation ^~~~~~~~~~~~~~~~~~~~~~ file.rs:3:5: 3:27 help: doc comments must come before what they document, maybe a comment was intended with `//`? ``` Fix #27429, #30322
2016-05-27 19:05:22 -07:00
}
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