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r=alexcrichton
Display correct filename with --test option
Fixes #39592.
With the current files:
```rust
pub mod foo;
/// This is a Foo;
///
/// ```
/// println!("baaaaaar");
/// ```
pub struct Foo;
/// This is a Bar;
///
/// ```
/// println!("fooooo");
/// ```
pub struct Bar;
```
```rust
// note the whitespaces
/// ```
/// println!("foo");
/// ```
pub fn foo() {}
```
It displays:
```
./build/x86_64-apple-darwin/stage1/bin/rustdoc --test test.rs
running 3 tests
test test.rs - line 13 ... ok
test test.rs - line 5 ... ok
test foo.rs - line 2 ... ok
test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured
```
```
` ``
println!("lol");
` ``
asdjnfasd
asd
```
It displays:
```
./build/x86_64-apple-darwin/stage1/bin/rustdoc --test foo.md
running 1 test
test <input> - line 3 ... ok
test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured
```
r? @alexcrichton
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These are all now no longer needed that we've only got rustbuild in tree.
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`MarkdownHtml` structs escape HTML tags from its text.
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Most of the Rust community agrees that the vec! macro is clearer when
called using square brackets [] instead of regular brackets (). Most of
these ocurrences are from before macros allowed using different types of
brackets.
There is one left unchanged in a pretty-print test, as the pretty
printer still wants it to have regular brackets.
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The main change is to stop using javascript to generate the URLs and use
rustdoc instead.
This also adds run buttons to the error index examples.
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Adding these "known" values to the table of used ids is only required
when embedding markdown into a rustdoc html page and may yield
unexpected results when rendering a standalone `*.md` file.
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For summary descriptions we need the first paragraph (adjacent lines
until a blank line) - but the rendered markdown of a code block did not
leave a blank line in the html and was thus included in the summary line.
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r? @brson
cc @alexcrichton
I still need to add error code explanation test with this, but I can't figure out a way to generate the `.md` files in order to test example source codes.
Will fix #27328.
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Have all Cargo-built crates pass `--cfg cargobuild` and then add appropriate
`#[cfg]` definitions to all crates to avoid linking anything if this is passed.
This should help allow libstd to compile with both the makefiles and with Cargo.
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Also fixes a few outdated links.
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rust-example-rendered should be a class, not an id.
fixes #26013
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An automated script was run against the `.rs` and `.md` files,
subsituting every occurrence of `task` with `thread`. In the `.rs`
files, only the texts in the comment blocks were affected.
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For now, words() is left in (but deprecated), and Words is a type alias for
struct SplitWhitespace.
Also cleaned up references to s.words() throughout codebase.
Closes #15628
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`s/(?<!\{ self)(?<=\.)len\(\) == 0/is_empty()/g`
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Strip them from output like other `# `-starting lines.
Closes #23106
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This adds support in rustdoc to blanket apply crate attributes to all doc tests
for a crate at once. The syntax for doing this is:
#![doc(test(attr(...)))]
Each meta item in `...` will be applied to each doctest as a crate attribute.
cc #18199
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Thanks, @alexcrichton!
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Because the current style for `code` in rustdoc is to prewrap
whitespace, code spans that are hard wrapped in the source
documentation are prematurely wrapped when rendered in HTML.
CommonMark 0.18 [[1]] specifies "interior spaces and line endings are
collapsed into single spaces" for code spans, which would actually
prevent this issue, but hoedown does not currently conform to the
CommonMark spec.
The added span-level callback attempts to adhere to how whitespace is
handled as described by CommonMark, fixing the issue of early,
unintentional wrapping of code spans in rendered HTML.
[1]: http://spec.commonmark.org/0.18/
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Conflicts:
src/librustc/middle/ty.rs
src/librustc_trans/trans/adt.rs
src/librustc_typeck/check/mod.rs
src/libserialize/json.rs
src/test/run-pass/spawn-fn.rs
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This attribute has been deprecated in favor of #[should_panic]. This also
updates rustdoc to no longer accept the `should_fail` directive and instead
renames it to `should_panic`.
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Now that support has been removed, all lingering use cases are renamed.
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This permits all coercions to be performed in casts, but adds lints to warn in those cases.
Part of this patch moves cast checking to a later stage of type checking. We acquire obligations to check casts as part of type checking where we previously checked them. Once we have type checked a function or module, then we check any cast obligations which have been acquired. That means we have more type information available to check casts (this was crucial to making coercions work properly in place of some casts), but it means that casts cannot feed input into type inference.
[breaking change]
* Adds two new lints for trivial casts and trivial numeric casts, these are warn by default, but can cause errors if you build with warnings as errors. Previously, trivial numeric casts and casts to trait objects were allowed.
* The unused casts lint has gone.
* Interactions between casting and type inference have changed in subtle ways. Two ways this might manifest are:
- You may need to 'direct' casts more with extra type information, for example, in some cases where `foo as _ as T` succeeded, you may now need to specify the type for `_`
- Casts do not influence inference of integer types. E.g., the following used to type check:
```
let x = 42;
let y = &x as *const u32;
```
Because the cast would inform inference that `x` must have type `u32`. This no longer applies and the compiler will fallback to `i32` for `x` and thus there will be a type error in the cast. The solution is to add more type information:
```
let x: u32 = 42;
let y = &x as *const u32;
```
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