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Add list of supported disambiguators and suffixes for intra-doc links in the rustdoc book #110348

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Merged
merged 2 commits into from
Apr 18, 2023
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Add list of supported disambiguators and suffixes for intra-doc links in the rustdoc book #110348

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Add list of supported disambiguators and suffixes for intra-doc links…
GuillaumeGomez Apr 15, 2023
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Add code comment to remind contributors to update rustdoc book if the…
GuillaumeGomez Apr 15, 2023
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9 changes: 6 additions & 3 deletions src/doc/rustdoc/src/write-documentation/linking-to-items-by-name.md
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Expand Up @@ -88,13 +88,16 @@ fn Foo() {}
```

These prefixes will be stripped when displayed in the documentation, so `[struct@Foo]` will be
rendered as `Foo`.
rendered as `Foo`. The following prefixes are available: `struct`, `enum`, `trait`, `union`,
`mod`, `module`, `const`, `constant`, `fn`, `function`, `method`, `derive`, `type`, `value`,
`macro`, `prim` or `primitive`.

You can also disambiguate for functions by adding `()` after the function name,
or for macros by adding `!` after the macro name:
or for macros by adding `!` after the macro name. The macro `!` can be followed by `()`, `{}`,
or `[]`. Example:

```rust
/// This is different from [`foo!`]
/// This is different from [`foo!()`].
fn foo() {}

/// This is different from [`foo()`]
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2 changes: 2 additions & 0 deletions src/librustdoc/passes/collect_intra_doc_links.rs
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Expand Up @@ -1419,6 +1419,7 @@ impl Disambiguator {
if let Some(idx) = link.find('@') {
let (prefix, rest) = link.split_at(idx);
let d = match prefix {
// If you update this list, please also update the relevant rustdoc book section!
"struct" => Kind(DefKind::Struct),
"enum" => Kind(DefKind::Enum),
"trait" => Kind(DefKind::Trait),
Expand All @@ -1437,6 +1438,7 @@ impl Disambiguator {
Ok(Some((d, &rest[1..], &rest[1..])))
} else {
let suffixes = [
// If you update this list, please also update the relevant rustdoc book section!
("!()", DefKind::Macro(MacroKind::Bang)),
("!{}", DefKind::Macro(MacroKind::Bang)),
("![]", DefKind::Macro(MacroKind::Bang)),
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