mirror of https://github.com/rust-lang/rust.git
rustdoc: use a newline instead of `<br>` to format code headers
Since these elements now use `white-space: pre-wrap` since
784665d4ce, it's fine to use newlines
for formatting, which is smaller and a bit less complicated.
This commit is contained in:
Michael Howell
parent
5dd0e1b7ae
commit
8307fd7901
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@ -289,7 +289,7 @@ pub(crate) fn print_where_clause<'a, 'tcx: 'a>(
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if f.alternate() {
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f.write_str(" ")?;
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} else {
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f.write_str("<br>")?;
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f.write_str("\n")?;
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}
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match pred {
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@ -352,7 +352,7 @@ pub(crate) fn print_where_clause<'a, 'tcx: 'a>(
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}
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} else {
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let mut br_with_padding = String::with_capacity(6 * indent + 28);
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br_with_padding.push_str("<br>");
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br_with_padding.push_str("\n");
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let padding_amout =
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if ending == Ending::Newline { indent + 4 } else { indent + "fn where ".len() };
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@ -360,16 +360,16 @@ pub(crate) fn print_where_clause<'a, 'tcx: 'a>(
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for _ in 0..padding_amout {
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br_with_padding.push_str(" ");
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}
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let where_preds = where_preds.to_string().replace("<br>", &br_with_padding);
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let where_preds = where_preds.to_string().replace("\n", &br_with_padding);
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if ending == Ending::Newline {
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let mut clause = " ".repeat(indent.saturating_sub(1));
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write!(clause, "<span class=\"where fmt-newline\">where{where_preds},</span>")?;
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clause
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} else {
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// insert a <br> tag after a single space but before multiple spaces at the start
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// insert a newline after a single space but before multiple spaces at the start
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if indent == 0 {
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format!("<br><span class=\"where\">where{where_preds}</span>")
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format!("\n<span class=\"where\">where{where_preds}</span>")
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} else {
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// put the first one on the same line as the 'where' keyword
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let where_preds = where_preds.replacen(&br_with_padding, " ", 1);
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@ -1315,7 +1315,8 @@ impl clean::FnDecl {
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/// * `header_len`: The length of the function header and name. In other words, the number of
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/// characters in the function declaration up to but not including the parentheses.
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/// <br>Used to determine line-wrapping.
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/// This is expected to go into a `<pre>`/`code-header` block, so indentation and newlines
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/// are preserved.
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/// * `indent`: The number of spaces to indent each successive line with, if line-wrapping is
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/// necessary.
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pub(crate) fn full_print<'a, 'tcx: 'a>(
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@ -1363,7 +1364,7 @@ impl clean::FnDecl {
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}
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} else {
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if i > 0 {
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args.push_str("<br>");
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args.push_str("\n");
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}
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if input.is_const {
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args.push_str("const ");
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@ -1389,7 +1390,7 @@ impl clean::FnDecl {
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let mut args = args.into_inner();
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if self.c_variadic {
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args.push_str(",<br> ...");
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args.push_str(",\n ...");
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args_plain.push_str(", ...");
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}
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@ -1399,24 +1400,20 @@ impl clean::FnDecl {
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let declaration_len = header_len + args_plain.len() + arrow_plain.len();
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let output = if declaration_len > 80 {
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let full_pad = format!("<br>{}", " ".repeat(indent + 4));
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let close_pad = format!("<br>{}", " ".repeat(indent));
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let full_pad = format!("\n{}", " ".repeat(indent + 4));
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let close_pad = format!("\n{}", " ".repeat(indent));
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format!(
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"({pad}{args}{close}){arrow}",
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pad = if self.inputs.values.is_empty() { "" } else { &full_pad },
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args = args.replace("<br>", &full_pad),
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args = args.replace("\n", &full_pad),
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close = close_pad,
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arrow = arrow
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)
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} else {
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format!("({args}){arrow}", args = args.replace("<br>", " "), arrow = arrow)
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format!("({args}){arrow}", args = args.replace("\n", " "), arrow = arrow)
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};
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if f.alternate() {
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write!(f, "{}", output.replace("<br>", "\n"))
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} else {
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write!(f, "{}", output)
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}
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write!(f, "{}", output)
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}
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}
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@ -77,7 +77,7 @@ struct AsyncFdReadyGuard<'a, T> { x: &'a T }
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impl Foo {
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// @has async_fn/struct.Foo.html
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// @has - '//*[@class="method"]' 'pub async fn complicated_lifetimes( &self, context: &impl Bar) -> impl Iterator<Item = &usize>'
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// @has - '//*[@class="method"]' 'pub async fn complicated_lifetimes( &self, context: &impl Bar ) -> impl Iterator<Item = &usize>'
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pub async fn complicated_lifetimes(&self, context: &impl Bar) -> impl Iterator<Item = &usize> {}
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// taken from `tokio` as an example of a method that was particularly bad before
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// @has - '//*[@class="method"]' "pub async fn readable<T>(&self) -> Result<AsyncFdReadyGuard<'_, T>, ()>"
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@ -31,7 +31,7 @@ impl Trait<{1 + 2}> for u8 {}
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impl<const N: usize> Trait<N> for [u8; N] {}
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// @has foo/struct.Foo.html '//pre[@class="rust item-decl"]' \
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// 'pub struct Foo<const N: usize>where u8: Trait<N>'
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// 'pub struct Foo<const N: usize> where u8: Trait<N>'
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pub struct Foo<const N: usize> where u8: Trait<N>;
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// @has foo/struct.Bar.html '//pre[@class="rust item-decl"]' 'pub struct Bar<T, const N: usize>(_)'
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pub struct Bar<T, const N: usize>([T; N]);
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@ -1,9 +1,23 @@
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<code>pub trait Write {
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// Required methods
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fn <a href="#tymethod.poll_write" class="fn">poll_write</a>(<br />        self: <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="{{channel}}/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>,<br />        cx: &mut <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="{{channel}}/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>,<br />        buf: &mut [<a class="primitive" href="{{channel}}/std/primitive.usize.html">usize</a>]<br />    ) -> <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="enum" href="{{channel}}/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="{{channel}}/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct foo::Error">Error</a>>>;
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<span class="item-spacer" /> fn <a href="#tymethod.poll_flush" class="fn">poll_flush</a>(<br />        self: <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="{{channel}}/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>,<br />        cx: &mut <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="{{channel}}/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>><br />    ) -> <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="enum" href="{{channel}}/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="{{channel}}/std/primitive.unit.html">()</a>, <a class="struct" href="struct.Error.html" title="struct foo::Error">Error</a>>>;
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<span class="item-spacer" /> fn <a href="#tymethod.poll_close" class="fn">poll_close</a>(<br />        self: <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="{{channel}}/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>,<br />        cx: &mut <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="{{channel}}/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>><br />    ) -> <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="enum" href="{{channel}}/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="{{channel}}/std/primitive.unit.html">()</a>, <a class="struct" href="struct.Error.html" title="struct foo::Error">Error</a>>>;
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fn <a href="#tymethod.poll_write" class="fn">poll_write</a>(
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self: <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="{{channel}}/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>,
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cx: &mut <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="{{channel}}/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>,
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buf: &mut [<a class="primitive" href="{{channel}}/std/primitive.usize.html">usize</a>]
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) -> <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="enum" href="{{channel}}/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="{{channel}}/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct foo::Error">Error</a>>>;
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<span class="item-spacer" /> fn <a href="#tymethod.poll_flush" class="fn">poll_flush</a>(
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self: <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="{{channel}}/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>,
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cx: &mut <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="{{channel}}/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>
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) -> <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="enum" href="{{channel}}/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="{{channel}}/std/primitive.unit.html">()</a>, <a class="struct" href="struct.Error.html" title="struct foo::Error">Error</a>>>;
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<span class="item-spacer" /> fn <a href="#tymethod.poll_close" class="fn">poll_close</a>(
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self: <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="{{channel}}/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>,
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cx: &mut <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="{{channel}}/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>
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) -> <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="enum" href="{{channel}}/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="{{channel}}/std/primitive.unit.html">()</a>, <a class="struct" href="struct.Error.html" title="struct foo::Error">Error</a>>>;
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// Provided method
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fn <a href="#method.poll_write_vectored" class="fn">poll_write_vectored</a>(<br />        self: <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="{{channel}}/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>,<br />        cx: &mut <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="{{channel}}/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>,<br />        bufs: &[<a class="primitive" href="{{channel}}/std/primitive.usize.html">usize</a>]<br />    ) -> <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="enum" href="{{channel}}/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="{{channel}}/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct foo::Error">Error</a>>> { ... }
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}</code>
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fn <a href="#method.poll_write_vectored" class="fn">poll_write_vectored</a>(
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self: <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="{{channel}}/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>,
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cx: &mut <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="{{channel}}/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>,
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bufs: &[<a class="primitive" href="{{channel}}/std/primitive.usize.html">usize</a>]
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) -> <a class="enum" href="{{channel}}/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="enum" href="{{channel}}/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="{{channel}}/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct foo::Error">Error</a>>> { ... }
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}</code>
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@ -2,7 +2,7 @@
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// @has foo/trait.LendingIterator.html
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pub trait LendingIterator {
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// @has - '//*[@id="associatedtype.Item"]//h4[@class="code-header"]' "type Item<'a>where Self: 'a"
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// @has - '//*[@id="associatedtype.Item"]//h4[@class="code-header"]' "type Item<'a> where Self: 'a"
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type Item<'a> where Self: 'a;
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// @has - '//*[@id="tymethod.next"]//h4[@class="code-header"]' \
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@ -23,7 +23,7 @@ impl LendingIterator for () {
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pub struct Infinite<T>(T);
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// @has foo/trait.LendingIterator.html
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// @has - '//*[@id="associatedtype.Item-2"]//h4[@class="code-header"]' "type Item<'a>where Self: 'a = &'a T"
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// @has - '//*[@id="associatedtype.Item-2"]//h4[@class="code-header"]' "type Item<'a> where Self: 'a = &'a T"
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impl<T> LendingIterator for Infinite<T> {
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type Item<'a> where Self: 'a = &'a T;
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@ -11,7 +11,7 @@ pub use impl_trait_aux::func;
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// @has impl_trait/fn.func2.html
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// @has - '//pre[@class="rust item-decl"]' "func2<T>("
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// @has - '//pre[@class="rust item-decl"]' "_x: impl Deref<Target = Option<T>> + Iterator<Item = T>,"
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// @has - '//pre[@class="rust item-decl"]' "_y: impl Iterator<Item = u8>)"
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// @has - '//pre[@class="rust item-decl"]' "_y: impl Iterator<Item = u8> )"
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// @!has - '//pre[@class="rust item-decl"]' 'where'
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pub use impl_trait_aux::func2;
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@ -2,5 +2,5 @@
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pub trait Bar {}
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// @has foo/struct.Foo.html '//pre' 'pub struct Foo<T>(pub T)where T: Bar;'
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// @has foo/struct.Foo.html '//pre' 'pub struct Foo<T>(pub T) where T: Bar;'
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pub struct Foo<T>(pub T) where T: Bar;
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@ -98,7 +98,7 @@ pub mod outer {
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pub use reexports::foo;
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// @has 'foo/outer/inner/fn.foo_crate.html' '//pre[@class="rust item-decl"]' 'pub(crate) fn foo_crate()'
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pub(crate) use reexports::foo_crate;
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// @has 'foo/outer/inner/fn.foo_super.html' '//pre[@class="rust item-decl"]' 'pub(in outer) fn foo_super()'
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// @has 'foo/outer/inner/fn.foo_super.html' '//pre[@class="rust item-decl"]' 'pub(in outer) fn foo_super( )'
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pub(super) use::reexports::foo_super;
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// @!has 'foo/outer/inner/fn.foo_self.html'
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pub(self) use reexports::foo_self;
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@ -1 +1,3 @@
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<pre class="rust item-decl"><code>pub struct Simd<T>(_)<br /><span class="where">where<br />    T: <a class="trait" href="trait.MyTrait.html" title="trait foo::MyTrait">MyTrait</a></span>;</code></pre>
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<pre class="rust item-decl"><code>pub struct Simd<T>(_)
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<span class="where">where
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T: <a class="trait" href="trait.MyTrait.html" title="trait foo::MyTrait">MyTrait</a></span>;</code></pre>
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@ -1,8 +1,13 @@
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<pre class="rust item-decl"><code>pub trait TraitWhere {
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type <a href="#associatedtype.Item" class="associatedtype">Item</a><'a><br />       <span class="where">where Self: 'a</span>;
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type <a href="#associatedtype.Item" class="associatedtype">Item</a><'a>
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<span class="where">where Self: 'a</span>;
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// Provided methods
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fn <a href="#method.func" class="fn">func</a>(self)<br />       <span class="where">where Self: <a class="trait" href="{{channel}}/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span> { ... }
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<span class="item-spacer" /> fn <a href="#method.lines" class="fn">lines</a>(self) -> <a class="struct" href="{{channel}}/std/io/struct.Lines.html" title="struct std::io::Lines">Lines</a><Self><br />       <span class="where">where Self: <a class="trait" href="{{channel}}/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span> { ... }
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<span class="item-spacer" /> fn <a href="#method.merge" class="fn">merge</a><T>(self, a: T)<br />       <span class="where">where Self: <a class="trait" href="{{channel}}/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,<br />             T: <a class="trait" href="{{channel}}/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span> { ... }
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fn <a href="#method.func" class="fn">func</a>(self)
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<span class="where">where Self: <a class="trait" href="{{channel}}/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span> { ... }
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<span class="item-spacer" /> fn <a href="#method.lines" class="fn">lines</a>(self) -> <a class="struct" href="{{channel}}/std/io/struct.Lines.html" title="struct std::io::Lines">Lines</a><Self>
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<span class="where">where Self: <a class="trait" href="{{channel}}/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span> { ... }
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<span class="item-spacer" /> fn <a href="#method.merge" class="fn">merge</a><T>(self, a: T)
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<span class="where">where Self: <a class="trait" href="{{channel}}/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
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T: <a class="trait" href="{{channel}}/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span> { ... }
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}</code></pre>
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@ -4,7 +4,7 @@ use std::io::Lines;
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pub trait MyTrait { fn dummy(&self) { } }
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// @has foo/struct.Alpha.html '//pre' "pub struct Alpha<A>(_)where A: MyTrait"
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// @has foo/struct.Alpha.html '//pre' "pub struct Alpha<A>(_) where A: MyTrait"
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pub struct Alpha<A>(A) where A: MyTrait;
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// @has foo/trait.Bravo.html '//pre' "pub trait Bravo<B>where B: MyTrait"
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pub trait Bravo<B> where B: MyTrait { fn get(&self, B: B); }
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@ -1,4 +1,5 @@
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<pre class="rust item-decl"><code>pub enum Cow<'a, B><span class="where fmt-newline">where<br />    B: <a class="trait" href="trait.ToOwned.html" title="trait foo::ToOwned">ToOwned</a><dyn <a class="trait" href="{{channel}}/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>> + ?<a class="trait" href="{{channel}}/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + 'a,</span>{
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<pre class="rust item-decl"><code>pub enum Cow<'a, B><span class="where fmt-newline">where
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B: <a class="trait" href="trait.ToOwned.html" title="trait foo::ToOwned">ToOwned</a><dyn <a class="trait" href="{{channel}}/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>> + ?<a class="trait" href="{{channel}}/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + 'a,</span>{
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Borrowed(<a class="primitive" href="{{channel}}/std/primitive.reference.html">&'a B</a>),
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Whatever(<a class="primitive" href="{{channel}}/std/primitive.u32.html">u32</a>),
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}</code></pre>
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|
|
@ -1,4 +1,5 @@
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<pre class="rust item-decl"><code>pub struct Struct<'a, B><span class="where fmt-newline">where<br />    B: <a class="trait" href="trait.ToOwned.html" title="trait foo::ToOwned">ToOwned</a><dyn <a class="trait" href="{{channel}}/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>> + ?<a class="trait" href="{{channel}}/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + 'a,</span>{
|
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<pre class="rust item-decl"><code>pub struct Struct<'a, B><span class="where fmt-newline">where
|
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B: <a class="trait" href="trait.ToOwned.html" title="trait foo::ToOwned">ToOwned</a><dyn <a class="trait" href="{{channel}}/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>> + ?<a class="trait" href="{{channel}}/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + 'a,</span>{
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pub a: <a class="primitive" href="{{channel}}/std/primitive.reference.html">&'a B</a>,
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||||
pub b: <a class="primitive" href="{{channel}}/std/primitive.u32.html">u32</a>,
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||||
}</code></pre>
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|
|
@ -1,4 +1,5 @@
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<pre class="rust item-decl"><code>pub trait ToOwned<T><span class="where fmt-newline">where<br />    T: <a class="trait" href="{{channel}}/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</span>{
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<pre class="rust item-decl"><code>pub trait ToOwned<T><span class="where fmt-newline">where
|
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T: <a class="trait" href="{{channel}}/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</span>{
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||||
type <a href="#associatedtype.Owned" class="associatedtype">Owned</a>;
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||||
|
||||
// Required methods
|
||||
|
|
|
|||
|
|
@ -1,3 +1,4 @@
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<pre class="rust item-decl"><code>pub union Union<'a, B><span class="where fmt-newline">where<br />    B: <a class="trait" href="trait.ToOwned.html" title="trait foo::ToOwned">ToOwned</a><dyn <a class="trait" href="{{channel}}/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>> + ?<a class="trait" href="{{channel}}/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + 'a,</span>{
|
||||
<pre class="rust item-decl"><code>pub union Union<'a, B><span class="where fmt-newline">where
|
||||
B: <a class="trait" href="trait.ToOwned.html" title="trait foo::ToOwned">ToOwned</a><dyn <a class="trait" href="{{channel}}/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>> + ?<a class="trait" href="{{channel}}/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + 'a,</span>{
|
||||
/* private fields */
|
||||
}</code></pre>
|
||||
Loading…
Reference in New Issue